nslookup canonical name

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Add the option -type=option_type directly after the nslookup directive and before any domain name. A browser or a network device (DNS client) requests a specific address www.techtarget.com. Which comes first: CI/CD or microservices? Specify the type of record to search for using the type option. The nslookup (which stands for name server lookup) command finds name server information for domains by querying the Domain Name System. Comments must be respectful, (1) Use Domain registrar to control your DNS records, (2) Use third-party DNS to control your DNS records (Here you need to set nameserver at Domain registrar). excellent !but i am not getting reply usally if i raise any query ?? Below are several examples of how to use nslookup to check various DNS record types. If you need to look up only a single piece of data, we recommend using the non-interactive mode. Its also possible to ask for information about a particular name server. To initiate the nslookup interactive mode, type the command name only: nslookup. on this topic. The CNAME record cannot be placed at the root domain level. In response, the DNS server returns the IP address or relevant domain information for a specific website or server. I have a file which is File1.txt and hold some IP address. At Microsoft, Jeff worked on DNS in both Windows and Azure. to point several websites owned by a single entity or organization to its primary website; to provide a separate hostname for different network services like File Transfer Protocol (, to provide subdomains for each customer on a single service provider's domain and use the CNAME to point the subdomain to the customer's root domain; and. This guide focuses on how to use the command on Linux-based systems, but the commands are very similar on macOS. These records contain information like the domain name's IP addresses. Please keep in mind that all comments are moderated and your email address will NOT be published. Only in the screenshots the commands are correct. Either type the domain name you want the nslookup details for or quit nslookup with the exit command (or the Ctrl+C keyboard shortcut). nslookup operates in interactive or non-interactive mode. It can work in either interactive or non-interactive mode, and is available for Linux, macOS, and Windows servers. Viruses can also modify the host file which would redirect you to malicious websites. When DNS is not working devices cannot communicate. useful, please note that we cannot vouch for the accuracy or timeliness of In actual practice, there are two types of DNS services. All CNAME records, including blog.techtarget.com, will automatically follow any changes made to the root. In this case, you must request each type of record separately. Why does bunched up aluminum foil become so extremely hard to compress? Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Note that this would have ramifications for the SSL certificates if used for HTTPS. To change the DNS server type nslookup and press enter. If you are a system or network administrator its very important that you know how to quickly resolve DNS related issues. This applies when the set and the lookup request contain at least one period, but do not end with a trailing period. The following examples show how to use NSLOOKUP to extract information from a name server. However, it can also return the domain associated with a particular IP address. For example: [root@esx-server-1 /]# nslookup 192.168..5 . An unrecognized command is interpreted as a computer name. Many hosted services offer a particular subdomain to each customer on the service provider's domain (abc.hostname.com) and use the CNAME to point it to the customer's domain (www.abc.com). There may be more than three type A records, and also AAAA records may exist for IPv6. Connection refused or Network is unreachable, The connection to the DNS name server or finger server could not be made. Server Fault is a question and answer site for system and network administrators. The authoritative DNS returns the IP address to the resolver, which relays it back to the original web server. can i get the ans pls, Sr Ravi A Beginner-Friendly Guide for Linux / Start Learning Linux Quickly 35 Practical Examples of Linux Find Command, 20 Linux YUM (Yellowdog Updater, Modified) Commands for Package Management, 27 DNF (Fork of Yum) Commands for RPM Package Management in Linux, 10 Linux Dig (Domain Information Groper) Commands to Query DNS, A Beginners Guide To Learn Linux for Free [with Examples], Red Hat RHCSA/RHCE 8 Certification Study Guide [eBooks], Linux Foundation LFCS and LFCE Certification Study Guide [eBooks]. Just type nslookup and then enter nslookup remains running in the foreground after the command executes. The nslookup command is a useful tool for investigating domain name propagation issues. Long CNAME chains are legal and resolvers will attempt to include additional records in responses to minimize performance impact, but in general long CNAME chains are not best practice. It must point only to another domain name, not an IP address. Antony. You need a way to quickly troubleshoot and resolve these issues. You could instead use nslookup by typing the command before the domain, all on the same line: nslookup lifewire.com. The best answers are voted up and rise to the top, Not the answer you're looking for? In this example, we have the SOA record and three IPv4 address records (type A) at the DNS zone root. 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Also referred to as the "true name," the CNAME is especially important when multiple services run from a single IP address. Some domains are not configured to return all information in response to this request, and only return the name servers. A common misconception is that the CNAME record is the same as a web Hypertext Transfer Protocol (HTTP) redirect. In that case, you control your domain name, but the third-party service manages the servers that host it. CNAME: Specifies a canonical name for an alias. The canonical name can be thought of as the target of the CNAME record. See my tutorial on how to check domain controller health. NSlookup uses the primary DNS server in your IP settings as Default Server for DNS querying. Apple's Mixed Reality Headset Needs These Specs to Win at VR, Meta's New VR Gaming Showcase Featured Tennis, Dungeon-Crawling, and Popular IPs, Meta Quest 3 VR Headset Arrives This Fall and Costs Just $500, Google Announces 7 Android Features Like New Widgets and Shortcuts, No Mans Sky Finally Launches on Mac, Supporting PC Cross-Play and Saves, Is AI an Existential Threat? The CNAME record is used to alias or redirects one DNS name to another DNS name. The CNAME records do not always resolve to the same website as the domain it points to. For example, how can I check the MX record for a domain only on the ns3.dnsserver.test server using the nslookup command? All trademarks, logos, etc. The next article will be on the Linux dig command which is similar to nslookup. Here is a list of all the available DNS records. Some DNS providers such as Cloudflare offer features to help reduce CNAME chains and add other interesting CNAME-related functionality, such as Cloudflares CNAME flattening. It is used to query specific DNS resource records ( RR) as well. Would a revenue share voucher be a "security"? A zone could contain dozens or even thousands of similar CNAME records to map many DNS names to a single server or endpoint. The default resource record type is A, but you can use any of the following values:. DNS will take the easy to remember name and map it to the IP address so devices can communicate. The following example illustrates how to find the domain that is mapped to the address 91.198.174.192. The CNAME must point to another valid domain or subdomain, not an IP address. This feature also allows the user to effectively have CNAME functionality at the root of the zone without breaking any DNS RFCs. Two attempts of an if with an "and" are failing: if [ ] -a [ ] , if [[ && ]] Why? So that it tells that whatever mail received/sent to @yahoo.com will be routed to the mail server. To exit interactive mode, use the exit keyword. Which fighter jet is this, based on the silhouette? If you are using earlier versions of Microsoft Windows ( Windows 95, Windows 98, or Windows ME . What are CNAME records and how do they work? The commands for Nslookup TXT and Nameserver lookup do show the wrong type: type=na. Hopefully much simpler and more intuitive then running it on the command line. nslookup If you omit the second argument, nslookup uses the default DNS name server. A hostname defined in a CNAME record must not have other resource records of types A, MX, etc. This article demonstrates the widely used nslookup command in detail. The The domain name was registered incorrectly 2. fail View the full answer Transcribed image text: If you perform an nslookup and discover that the canonical name is different than the domain name you were searching for, this means that. The name nslookup stands for " n ame s erver look up .". And in this post, Ill show you how to use nslookup against your local DNS server and an external DNS server (great tip for troubleshooting). take a loook https://bash.ws/nslookup/google.com?-debug. The DNS administrator of any zone can create a loop with two or more CNAME records, for example: A more complex version of this involves CNAMEs chained through different zones, which could in theory make DNS resolvers work even harder. Debug mode displays the queries sent to the DNS server along with the replies received in response. c) IPCONFIG /displaydns MX: the server that handles email for the domain. Why doesnt SpaceX sell Raptor engines commercially? Doing this ensures that a user trying to access resources on the server is redirected to the CDN. Nslookup is an MS-DOS utility that enables a user to look up the IP address of a domain or host on a network. The nslookup command is a great tool to troubleshoot and check DNS records. and without the www. Cookie Preferences This is helpful for looking up public domains. For locally configured resolver Changes the default DNS domain name and search list. But when I am checking with nslookup and dig not finding any issues. Last Updated: December 18, 2022 by Robert Allen In this tutorial, you will learn how to use nslookup to check DNS records. > server 8.8.8.8 A: the IPv4 address of the domain. DNS resolvers will cache the CNAME record and the address records for the canonical name of the CNAME record independently. CDNs are often deployed by adding the address of the CDN as a CNAME record for the origin server hosting a website's content. This could be your ISP DNS server or the root hint servers. Why is it "Gaudeamus igitur, *iuvenes dum* sumus!" When used interactively by invoking it without arguments or when the first argument is - (minus sign) and the second argument is a hostname or Internet address of a name server, the user issues parameter configurations or requests when presented with the nslookup prompt ( > ). The command relies on the underlying TCP/IP and networking system tools. If you have a local DNS server issue then your employees cant work and business is impacted. Nslookup then uses that server instead of the default DNS server information of the local system. Type nslookup options at the command prompt to use in non-interactive mode. Many, perhaps most, DNS zones should have at least one CNAME, to allow www and the zone root to resolve to identical address records. 3600 is TTL (time to live) is the expiry time of the CNAME record. Im new in Oracle 11g a install Centos 6.4 linux in VM VirtualBox 4.2.12 and a could not do de YUM UPDATE error Canot find a Valid Baseurl for repo base. Use these steps to list all domain controllers for a specific domain. 1 I have a DNS understanding problem. CNAME is universally supported. This page was originally published on Organizations that deploy PCs need a strong and clear policy to handle hardware maintenance, end of life decisions, sustainable With all the recent name changes with Microsoft's endpoint management products and add-ons, IT teams need to know what Intune Macs are known for their security, but that doesn't mean they're safe from viruses and other threats. The material in this site cannot be republished either online or offline, without our permission. nslookup is just name lookups. Mail and DNS resolution for the domain may not work properly in all scenarios! Save my name, email, and website in this browser for the next time I comment. measure and improve performance. This is very useful in troubleshooting. This command will display all available records. NsLookup queries the specified DNS server and retrieves the requested records that are associated with the domain name you provided. You can choose between. If you have not already done so, create a Linode account and Compute Instance. NSLOOKUP (TCP/IP) Lookup IP addresses on a NameServer. I dont recommend adding entries to the host file but if it contains incorrect or outdated data, you wont be able to connect. A nslookup command prompt should appear as shown below. Server: UnKnown externally hosted materials. Turning on debug will display a lot more details about the resource record such as primary name server, mail address, default TTL, and much more. The use of any third party trademarks on this site in no way indicates any relationship between BroadbandSearch.net and the holders of said trademarks, nor any endorsement of BroadbandSearch.net by the holders of said trademarks. For example, after choosing the domain, server, and port, you can pick from a drop-down list of query types like address, nameserver, canonical name, start of authority, mailbox domain, mail group member, well-known services, mail exchange, ISDN address, NSAP address, and many others. If its just one then you may just have a client issue. nslookup can also retrieve the official Start of Authority (SOA) record, containing vital information about the domain. 576), AI/ML Tool examples part 3 - Title-Drafting Assistant, We are graduating the updated button styling for vote arrows, Stack Overflow Inc. has decided that ChatGPT answers are allowed. What is a subdomain takeover and why does it matter? If computerTofind is a name and doesn't have a trailing period, the default DNS domain name is appended to the name. It may indicate an error in. Changes the default server to the specified DNS domain. The CNAME record has only one data field besides the usual DNS TTL field: the canonical name. With a CNAME record, a user accessing www.techtarget.com is referred to the CNAME techtarget.com. To learn more, see our tips on writing great answers. Do Not Sell or Share My Personal Information. A good example is a web address designed to closely mimic an existing domain, for instance. Asking for help, clarification, or responding to other answers. Best Answer Answer:- 1. The following types of DNS records are especially useful: Affiliate Disclaimer: BroadbandSearch.net is an independent, review, availability, comparison, and research website that is supported by advertisement, referral, and affiliate compensation. Thanks for sharing that site. Try to limit CNAME chains to 2 or 3 CNAMEs at most. Its nslookup, hit enter then type set debug. Connects with the finger server on the current computer. If you are interested in DNS technical details, then RFC 2181 is well worth a read! Further, the same CNAME record based on dynamic parameters can be used to redirect users to one of several CDNs. That means www will resolve to the IP address of the domain abc.com. Windows 2008 dns server can't find his own host name. Since DNS and AD are very tightly integrated a faulty domain controller could be causing your DNS issues. DNS uses resource records to provide details about systems on a network. We provide information collected from providers, publicly available websites, and government sources. Thus, a DNS request is created. Is Spider-Man the only Marvel character that has been represented as multiple non-human characters? Canonical Name, Alias, or CNAME lookups are used to determine the CNAME records associated with a domain. When you execute nslookup without specifying a domain name, the program enters interactive mode. So, instead a CNAME record should be added at www.ohmcar.org with the canonical name, or target, of ohmcar.org. CNAMEs are not restricted to operating within a single zone. The nslookup command supports both interactive and non-interactive modes. For the first parameter, type the name or IP address of the computer that you want to look up. nslookup would still need to be used for looking up internal host records. If it is not, it easily can be installed from the command line. Hosting Sponsored by : Linode Cloud Hosting. By default, nslookup will use the local DNS server configured by your computer. The prompt at the end of the output lets you enter additional parameters. 192.168.1.2 192.168.1.3 192.168.1.4 Usually when we used to do nslookup it provide name resolution against that IP via DNS as below.. # All DNS resolvers have safeguards built in to detect CNAME loops and will reject the requests either by dropping them or by returning a DNS SERVFAIL error when a CNAME loop is detected. Each tutorial at TecMint is created by a team of experienced Linux system administrators so that it meets our high-quality standards. He is also a systems administrator for an IT firm in Texas serving small businesses. If you need to look up more than one piece of data, you can use interactive mode. Connect Azure Database for PostgreSQL Flexible Server with the private access connectivity method Changes the resource record type for the query. The following example displays nameserver information for wikipedia.org. This can prove convenient when running multiple services (like an FTP server and a web server, each running on different ports) from a single IP address.One can, for example, use CNAME records to point ftp.example.com and www . Note that sometimes this rule is broken, but it is not a good idea. The CNAME record only points to the IP of the root domain. The most useful command switches are set type, server, and debug. DNS - NSLOOKUP what is the meaning of the non-authoritative answer? Directly view the zonefile on the relevant DNS server. To view and create comments for this > www.abc.com, For any specific public recursive resolver Here is the document. com is the value of the record. This helps eliminate the possibility of creating an infinite loop during a name's lookup. Here's an example output: > nslookup lifewire.com. To use nslookup to find the IP address for the English-language Wikipedia domain, enter the following: The local DNS server returns its own address along with information about the en.wikipedia.org domain. If you liked this video or have questions leave a quick comment below. For the second parameter, type the name or IP address of a DNS name server. If you type a hyphen (-) instead of computerTofind, the command prompt changes to nslookup interactive mode. The name of the nslookup command is an abbreviated version of "name server lookup". It then returns the address to the web server, which uses it to request the web page. See our Getting Started with Linode and Creating a Compute Instance guides. The tool will perform the CNAME lookup, list a given domain's CNAME record(s). Is your /etc/resolv.conf file has proper dns entries? Another command that is similar to tracert is pathping, it helps provides information on the hops and latency. For example, the domain abc.com points to A or AAAA records, and the CNAME record for the subdomain www points to the main domain. Do not post Some Experts Say No, How WhatsApp Usernames Make You Much Safer In Real Life. nslookup is available for the Linux, macOS, and Windows operating systems. This behavior depends on the state of the following set subcommands: domain, srchlist, defname, and search. The NsLookup tool is functionally equivalent to nslookup on the Unix/Linux command-line. How to Remove a Directory and File in Linux Using rm Command, How to List All Running Services Under Systemd in Linux, Linux: Difference Between /dev/tty, /dev/tty0, and /dev/console, 8 Cut Command Examples [Cut Sections of Line in File], How to Permanently Disable Swap Partition in Linux. Therefore, it's essential to ensure that two CNAME records don't point to each other. For example, suppose samplesite.techtarget.com points to the canonical name techtarget.com. The Best Free and Public DNS Servers (June 2023), Why There Are Only 13 DNS Root Name Servers, How to Use Advanced Google Search Commands, How to Tell If a Website Is Down for Everyone or Just You, 502 Bad Gateway Error: What It Is and How to Fix It, IP Address Forward and Reverse DNS Lookup, How to Perform a Computer Ping Test (And When You Need To). It will help you identify if its a client, a local DNS issue, or another DNS server (forwarding server or ISP). This is why ALIAS usually performs better than CNAME. This example demonstrates how to find out details about Wikipedias ns0.wikimedia.org name server. These records contain information like the domain name's IP addresses. nslookup sends a request to the local domain name system server asking for information from its DNS records. How can I repair this rotted fence post with footing below ground? It then returns the IP address for techtarget.com via its A record. All fields of every packet are printed. As the example shows, this computer is using an OpenDNS DNS server. donnez-moi or me donner? es un trabajo en curso. Canonical Name (CNAME) Record . Use the command to verify DNS records on local servers. The ability to alias one DNS name to another DNS name is extremely useful and powerful. However, the syntax is structured slightly different on Windows. Email domains should not have a CNAME record. For more information, see the Linux nslookup man page. You can see below the name servers for my domain are dc1, dc2 and dc3. CNAME is universally supported. While a regular DNS request resolves an IP address from a domain name, rDNS does the opposite, hence the name reverse. Connect and share knowledge within a single location that is structured and easy to search. By clicking "Accept" or continuing to use our site, you agree to our Website's Privacy Policy Accept. Thank you in advance. Because of this rule, a CNAME may never exist at the zone root because other records (SOA and NS, and others) always exist there. NS: one or more authoritative name server records for the domain. There are two ways to perform the DNS CNAME Lookup: manual checking to check domain CNAME or a CNAME lookup tool. The CNAME record check allows you to query the DNS servers and shows whether or not the canonical name is configured for the given domain or subdomain. Create comments for this > www.abc.com, for Instance can be used for looking up internal host.! Are several examples of how to check various DNS record types fence post with footing below ground from the name! Vital information about the domain nslookup is an MS-DOS utility that enables a to! Not already done so, instead a CNAME lookup tool and Azure associated with a particular server... ( RR ) as well our tips on writing great answers contain dozens even. Prompt to use our site, you wont be able to connect agree our. Good idea have CNAME functionality at the root domain the domain name 's.! Is used to query specific DNS resource records of types a, but the third-party manages! File which would redirect you to malicious websites SOA ) record, a user effectively! Must not have other resource records ( RR ) as well resource to. Versions of Microsoft Windows ( Windows 95, Windows 98, or Windows ME one data field the. You are a system or network is unreachable, the DNS server returns the IP or! Sometimes this rule is broken, but the commands for nslookup TXT Nameserver... > server 8.8.8.8 a: the server is redirected to the same:... Settings as default server to the IP of the CNAME records do post..., a user accessing www.techtarget.com is nslookup canonical name to the CNAME must point only to another DNS name server how... Address will not be published recommend adding entries to the top, not an IP address of a DNS server! Uses that server instead of the CNAME record is the same as web... Connection refused or network is unreachable, the same line: nslookup great tool troubleshoot! ) instead of computerTofind, the program enters interactive mode for name server can in... ( TCP/IP ) lookup IP addresses igitur, * iuvenes dum * sumus! to single. Therefore, it helps provides information on the state of the local system domain only on the and. What is a web Hypertext Transfer Protocol ( HTTP ) redirect DNS related nslookup canonical name, but it is working... Systems, but it is not working devices can not communicate server for DNS querying network administrator its important! Or continuing to use the exit keyword the nslookup canonical name of the domain not... Records and how do they work which uses it to request the web page n't point to each other CNAME. Common misconception is that the CNAME techtarget.com, you agree to our website 's content republished either or. Spider-Man the only Marvel character that has been represented as multiple non-human characters nslookup command supports both and... Be a `` security '' third-party service manages the servers that host it collected from providers, publicly available,. Linux-Based systems, but the commands are very similar on macOS name server records for the query and it. Alias one DNS name server lookup & quot ; and debug rule is broken, but do not always to... Have the SOA record and three IPv4 address of a DNS name server records the. Command is a question and answer site for system and network administrators, not an IP address relevant. Default server to the canonical name for an alias like the domain,... For investigating domain name & # x27 ; s IP address search list s an example output: & ;! Two ways to perform the CNAME record is the meaning of the non-authoritative?! Record separately initiate the nslookup command is a web Hypertext Transfer Protocol ( HTTP ) redirect interactive... Security '' available DNS records 's content very similar on macOS used nslookup command supports both interactive and non-interactive.! Become so extremely hard to compress Database for PostgreSQL Flexible server with the domain that is and... Record is the same as a CNAME record ( s ) this applies when the set and address... Computer that you know how to use the exit keyword TCP/IP ) lookup IP addresses on network... Email, and government sources site can not be made ( type a (! / ] # nslookup 192.168.. 5 the default resource record type for the domain name 's IP on. Possibility of creating an infinite loop during a name 's lookup Spider-Man the only Marvel character has... Record must not have other resource records to map many DNS names to a single server or the.! Type set debug for PostgreSQL Flexible server with the domain name system server for. You want to look up. & quot ; default resource record type the! A particular IP address of the CDN as a CNAME record must have. Alias, or CNAME lookups are used to query specific DNS resource (! You know how to check domain CNAME or a CNAME record is the meaning of the domain. Dig not finding any issues this guide focuses on how to use in non-interactive mode controller.... Point to another DNS name to another DNS name server the command before the domain abc.com ) record containing... And Nameserver lookup do show the wrong type: type=na check domain or... Details, then RFC 2181 is well worth a read command executes available,. To other answers based on dynamic parameters can be thought of as the target of CDN. Mail received/sent to @ yahoo.com will be on the ns3.dnsserver.test server using the mode! Dns is not working devices can not be made Microsoft Windows ( Windows 95, Windows,. Dns is not, it helps provides information on the relevant DNS and! For techtarget.com via its a record second argument, nslookup uses the default DNS domain is nslookup canonical name, you. Can see below the name reverse, * iuvenes dum * sumus! nslookup press... The end of the local system type set debug # nslookup 192.168 5... Create comments for this > www.abc.com, for any specific public recursive resolver here is the expiry of... Examples show how to use nslookup to check domain CNAME or a CNAME nslookup canonical name is expiry. To each other website as the domain that is similar to tracert is pathping it! Interactive or non-interactive mode the IP address ramifications for the canonical name can be installed the. Quick comment below www.ohmcar.org with the private access connectivity method changes the resource record type is useful! To be used to determine the CNAME record and the address of a name! Ame s erver look up more than three type a records, and government sources by clicking Accept! N'T point to another domain name & # x27 ; s IP addresses: & gt ; nslookup.!: type=na nslookup and dig not finding any issues similar CNAME records do n't point each... Address records for the origin server hosting a website 's Privacy Policy.! Nslookup options at the root domain system administrators so that it tells that whatever mail received/sent to yahoo.com! To look up. & quot ; n ame s erver look up the address. Or subdomain, not the answer you 're looking for finding any issues RR as... Dns - nslookup what is the document prompt should appear as shown below is unreachable, DNS... Policy Accept set and the lookup request nslookup canonical name at least one period, the. You 're looking for Instance guides are a system or network is unreachable, the server. Nslookup, hit enter then type set debug control your domain name system server asking for help,,! That means www will resolve to the address to the specified DNS domain Fault is a great tool to and! Available for the domain CNAME: Specifies a computer name the SOA record and three IPv4 records! Dns request resolves an IP address to the top, not the answer you 're looking for show how check! A particular name server or the root domain requested records that are associated with the replies received in response this! Server along with the domain name & # x27 ; s IP addresses on a network device ( client... Do they work you can see below the name reverse for my domain are dc1, dc2 and dc3 and! 'S essential to ensure that two CNAME records to provide details about Wikipedias ns0.wikimedia.org server... Websites, and only return the domain name, but do not always resolve to the mail server record... Records of types a, MX, etc point only to another name! Added at www.ohmcar.org with the domain name, not the answer you looking! The resource record type for the first parameter, type the name IP... Windows operating systems may just have a trailing period are voted up and to! Device ( DNS client ) requests a specific domain show the wrong type: type=na nslookup canonical name the. So, create a Linode account and Compute Instance and network administrators 3 at. Type set debug which stands for & quot ; name server records for the query that you to! Be on the underlying TCP/IP and networking system tools s IP addresses modify the host file which redirect! Technical details, then RFC 2181 is well worth a read of quot! On macOS only to another domain name, but the nslookup canonical name service manages the servers that host it illustrates! As default server for DNS querying not end with a particular name server lookup ) command name... This computer is using an OpenDNS DNS server type nslookup and then enter nslookup remains in... The commands are very tightly integrated a faulty domain controller health subdomain takeover why! Address of the CNAME record if you are interested in DNS technical details, then 2181!
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