A CNAME record or Canonical Name record is a type of resource record in the Domain Name System (DNS) that specifies that the domain name is an alias of another, canonical domain name.

learn more… | top users | synonyms (1)

1
vote
2answers
2k views

CNAME point subdomain to another domain

I know this has been asked before in various forms, but I've tried all the suggestions and had no luck (or maybe skills). I am trying to point a subdomain (mail.abcd.com) to Rackspace's hosted ...
1
vote
3answers
271 views

creating subdomain entry(ies) — should I add a CNAME record pointing to @ or create a new A record?

Is it better to have a fewer A records and dozens of CNAME records or vice verca? One (or few) A records per unique IP and many CNAME records per A record: @ 3600 IN A 123.123.123.123 a ...
1
vote
2answers
40 views

Loadbalancing a root domain redirection web server hosted in EC2 to remove SPOF

This may seem quite obscure and perhaps quite niche but bear with me. The situation is: www.domain.com points to infrastructure in EC2, specifically an ELB domain.com points to a micro instance in ...
1
vote
2answers
578 views

How does my registrar (Namecheap) let me set up a CNAME record on the apex domain?

Namecheap seems to let me create a CNAME record on the apex domain, which I thought was contrary to the definition of a CNAME record: It works (correctly loading up my static site from S3). ...
1
vote
1answer
839 views

no-www CNAME in windows DNS

I've asked the sysadmin of a client of mine (runs windows) to create the following CNAME records for their new website: www.example.com CNAME foobar-web-server.com example.com CNAME foobar-web-...
1
vote
5answers
1k views

How to set a CNAME?

I have multiple websites hosted in a single site in IIS, and I want to recognize it with different website addresses. For example, I want http://test.mydomain.com/site/1 to be seen as www.xyz.com/site/...
1
vote
2answers
485 views

Mapping domain1.com to subdomain.domain2.com/folder/folder/?query=string

DNS / apache rookie here.. I've searched for the answer and no luck but it's possible that I don't know what to look for in a solution. Many subdomains under .domain2.com each redirect to a specific ...
1
vote
1answer
145 views

Can a CNAME record point to a domain handled by another DNS server?

Assume a CNAME record pointing to a domain name that is handled by a different server than the one the CNAME record resides on. For example domain aaaaaaaa.com has authoritative name server dns.aisp....
1
vote
2answers
28 views

CNAMEing a SRV domain?

I have two domain names: example.com and example2.com. example.com has a few SRV records to handle specific services, as well as an A record for a website. I would like example2.com to have a CNAME to ...
1
vote
1answer
266 views

Forward domain to website hosted on Azure server with a non 80 port

I have an Azure Ubuntu VM server with multiple websites. Say website A = 81, website B = 82. These endpoints are exposed and I can access the website externally using <ip address>:<port>. I ...
1
vote
2answers
63 views

Following CNAME alias causes different HTML rendering

I am running Windows Server 2012 with Apache and ColdFusion 11. In our DNS manager on our local domain, we have set up a CNAME alias that points to our reporting server. When you access the the ...
1
vote
3answers
2k views

Are there DNS servers supporting ALIAS type for apex records?

DNSimple and AWS Route53 are supporting ALIAS records that allow similar functionality to CNAMES for @ (Apex) records in DNS. I'm running a DNS server (Bind) that is currently hosting around 1500 ...
1
vote
1answer
77 views

Is it possible to route *.example.com to a single machine without registering extra domains?

I would like to achieve something similar to what wordpress.com does - giving each user its own subdomain. user1.wordpress.com would in the VirtualHosts setup of Apache would have its DocRoot at /user/...
1
vote
2answers
912 views

How to get a custom Amazon s3 url?

Right now when I upload a file to my Amazon s3 buckert the url to the file looks like this: https://s3.amazonaws.com/<MY BUCKET NAME>/filename.extension I would like to use something like ...
1
vote
1answer
809 views

How does pointing a CNAME on my domain to a service-provider's server enable them to offer customized services?

I'm trying to understand how web services which have you setup CNAME records on your domain pointing to their servers work. For example, following the instructions on LaunchRock (http://support....
1
vote
2answers
393 views

How does bit.ly allow anyone to use cname.bit.ly as their CNAME?

To use bit.ly pro, you need to make a CNAME entry pointing to cname.bit.ly How does cname.bit.ly have to be configured in order to let this happen? Updated for a more detailed explanation. a.domain....
1
vote
2answers
1k views

CNAME to S3 not working

I have set up a CNAME record to point to an S3 bucket. It's been up for 4 days, and the results of a DIG Lookup show that it is in place: ;; QUESTION SECTION: ;railroad.odehengineers.com. IN A ;...
1
vote
3answers
309 views

Wildcard CNAME, normal MX record: Risk of unintended mail routing or hijack?

Our domain has the following DNS records: *.example.com IN CNAME foo.org example.com IN A x.x.x.x example.com IN TXT "v=spf1 mx -all" example.com IN ...
1
vote
1answer
146 views

HSTS header causes problems for CNAME records?

For a couple of years I have SSL on my personal domain: https://juriansluiman.nl. Now I was using subdomains to access my Google Apps: mail, calendar etc. All these subdomains are configured using ...
1
vote
1answer
1k views

Setting up Custom Domain with Tumblr isn't working — Correct A-record and CNAME

I'm setting up a custon domain to work with Tumblr. I configured A-record and CNAME correctly, but it still isn't working. www.whatsmydns.net shows CORRECT A-record and CNAME for Tumblr: 66.6.44.4 ...
1
vote
1answer
3k views

Gmail DNS Settings - Do I need CNAME and an A Record?

I'm just a little confused... I'm using Gmail for my mail service, and have followed their instructions. I wanted to allow users to access their email via mail.mydomain.com, but just hoping to get a ...
1
vote
1answer
137 views

Transferring NS records to a new server

I feel like that was NOT worded well, but here is my current predicament. I recently had a GoDaddy dedicated server, and decided after their customer support failed to do anything but disappoint, to ...
1
vote
1answer
220 views

How to configure S3 or DNS to handle incomplete name (sans www) for web site?

I have a set up a bucket called "www.mydomainname.com" to host my website and I have configured the CNAME such that "www.mydomainname.com" points to the my endopint http://www.mydomainname.com.s3-...
1
vote
2answers
86 views

DNS, Domain name settings for ASP Host

I have an account at an ASP hosting company and the URI is: me.example-host-company.com I'd like to my own domain name so I create a CNAME record for a subdomain which has its destination set to the ...
1
vote
1answer
124 views

Cname and Amazon S3 failure

I had a quick question. If you set up a cname for your amazon bucket and lets say your main amazon s3 bucket goes down, does cname you created serve files, in other words, do your files get redirected ...
1
vote
2answers
184 views

Does creating a new CNAME replace the old?

I have a CNAME record: cdn.example.com. IN CNAME examp.vo.llnwd.net which was registered through Limelight. Do I need to go back to Limelight release this record? Or if I just generate a new ...
1
vote
1answer
2k views

Networksolutions cname blank alias

Using NetworkSolutions Advanced DNS - I'm able to configure things like: www.mysite.com mail.mysite.com Everything works great, until I go to http://mysite.com - since there is not DNS and it won't ...
1
vote
1answer
289 views

Setting Up CNAME for Subdomain

I need to direct a subdomain to another server. It works fine for subdomain.domain.com but not for www.subdomain.domain.com - is it possible to point the "www" to the server IP as well as I know many ...
1
vote
2answers
5k views

Windows Server 2003 DNS added CNAME not working

I'm trying to create a subdomain alias on my DNS server to have portal.domain.com instead obscureServer32324name.domain.com I've attempted both a a CNAME alias to the exact A host entry or creating a ...
1
vote
1answer
29 views

DNS A record for sub-subdomain when subdomain is a CNAME

Is it possible to create an A record for a sub-subdomain when the subdomain has been CNAMEd? Something like this: domain.com A 198.51.100.1 my.domain.com CNAME othersite.com ...
1
vote
3answers
55 views

Can CNAME update, bring website down?

We updated CNAME on a production website, after updating it website showed "server's DNS address could not be found" message for about 8 mins. Could this be because of the change in CNAME?
1
vote
1answer
394 views

CNAME in Route 53 - Redirect www to non-www not working

I'm hosting web application on AWS with Nginx 1.6.3 and django 1.7.6 I'd like to redirect www.mydomain.com to mydomain.com through Route 53 In other words, showing mydomain.com/foo on address bar ...
1
vote
1answer
54 views

Proper implementation of Wildcard DNS on top of an A record

I need to set a wildcard DNS record for a sub domain which already has an A record. I'm not sure if i have to use a new A record for this or can just use a CNAME that points to the A record. My ...
1
vote
2answers
676 views

How do I use SSL with Amazon S3 CNAME masked buckets?

I am successfully running an Amazon S3 bucket as media.mydomain.com. The problem is, I'm running an https site and I'm unable to link to files using https//media.mydomain.com. How can I switch to ...
1
vote
1answer
715 views

Aliases in nginx/apache vs CNAME record?

In one of my nginx sites-available configuration file, I can specify a server name alias, like so: server_name example.com www.example.com; If I had an Apache server, I can do something similar ...
1
vote
1answer
362 views

Set MX records on a CNAME domain (heroku app)

I have a heroku app on a subdomain like x.herokuapp.com which is mapped to my domain name via a CNAME record. I want emails to be handled by zohomail so I've tried setting up MX records but these seem ...
1
vote
2answers
1k views

404 - File or directory not found with Azure/GoDaddy

I'm moving my web host from GoDaddy to Azure, and I'm getting the error above. These are the steps I followed: 1) Made my azure website the paid (yet shared) version 2) Went to GoDaddy and changed ...
1
vote
1answer
153 views

CNAME Setup on Different Server

I have domain and hosting at GoDaddy.com with domain earthline.info. But my email is located at CBN.net.id. I have setup the mx with this configuration: But for CNAME, i'm not sure what i must ...
1
vote
2answers
2k views

DNS Help (CNAMEs and A Records)

I'm trying to set up my DNS properly so that I can have hosting through PHPFog and email services using MailGun. PHPFog has us redirect the naked domain to the www and then use a CNAME to point the ...
1
vote
2answers
3k views

PowerDNS CNAME with multiple A records produces unexpected results

This problem from what i can tell is isolated to PowerDNS. The servers are running two packages pdns-static-3.0.1-1.i386.rpm and pdns-recursor-3.3-1.i386.rpm on the most recent version of Amazon Linux....
1
vote
2answers
3k views

Why can I resolve this hostname but not a cname to this hostname?

If I run dig against a hostname, I get the according cname, however I get an NXDOMAIN error (non existent domain). if I run dig against the cname I got, I can resolve it to an IP address successfully....
1
vote
2answers
646 views

WWW record in DNS (type CNAME) pointing to a site is recommended?

I have a reseller host the sites of my clients are hosted. One such customer wants to keep the DNS management with them. For this, they request the CNAME for them to do the following change in DNS: ...
1
vote
1answer
131 views

Question about a DNS and subdomain on a different server

I want to know if and how I can do the following: server A is the main server for www.aserver.com server B is a server that gives webservices, and one of the services is for activator (an internal ...
1
vote
2answers
292 views

CNAME - MX Records (Google Apps)

I need to know if I can "CNAME" older domains to a new domain names so that BOTH email addresses and browser requests will still work. I say this is because I will need emails for email1@old-domain1....
1
vote
1answer
859 views

IE Kerberos failure on some machines with CNAME web server (with SPN for host's A record)

It's fairly well known that IE doesn't like to do Kerberos against hosts that are registered in DNS as CNAMEs. What happens is that IE turns around and uses the underlying A record for the host for ...
1
vote
1answer
288 views

Create DNS alias

How i can create DNS alias? ie.: i have one domain named example.com and second domain - example.net. Zone-file of first domain contents: example.com. IN A 10.1.2.3 www.example.com. IN A 10.1....
1
vote
1answer
369 views

How to setup http redirect for links to other urls on my site?

I'm trying to use cname and http redirect to hide that I'm linking to other domains on my site. I know how to setup the cname through my hosting service, but I'm unsure how to setup the http ...
1
vote
1answer
949 views

CNAME to another domain fails on some office networks, why?

Our domain "aspenfasteners.com" is hosted by Volusion. We have CNAME records "find" and "search" which point to site indexing accounts on www.picosearch.com. These addresses fail on SOME private ...
1
vote
2answers
644 views

CNAME/AJAX subdomain point to domain

Could anyone let me know how to use a subdomain for ajax calls to a main domain? I know it requires the use of CNAMES and whatnot, but I'm a bit clueless still. I want to make AJAX calls to ajax....
1
vote
1answer
1k views

DNS CNAME Record windows 2003 R2 server by IP address

I am trying to add a CNAME record to point to an ip address. I have added the CNAME record to the primary DNS server that looks like this: foobar Alias(CNAME) 192.168.50.11 I restarted the DNS ...