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
58 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
2answers
277 views

How does this main domain have a CNAME record?

I was under the impression that only subdomains could have CNAME records: main domains need to define all their own records. However, apt-get.com seems to have only a CNAME record. How can this work? ...
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 ...
1
vote
2answers
860 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
2answers
2k views

Does CNAME only work for subdomains?

Does CNAME only work for subdomains? I wonder because I want to redirect from the domain name I registered, say, www.mycoolname.com, to my page at one of the famous social network web sites, say, ...
1
vote
2answers
378 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. ...
1
vote
2answers
936 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
104 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
2answers
737 views

Domain Name Forwarding not working with github pages

I had my blog on github pages with a custom domain name blog.tamizhvendan.in and today I've moved it to a new domain name www.p3programmer.com by updating the CNAME record with www.p3programmer.com. ...
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
2answers
2k views

How to set up CNAME to point to Azure

Here's the story. I have an application on azure. I would like to set up an A-record. My main domain is myhost.dk and my azure adress is myhost.azurewebsites.net. The Azure guide says that I have to ...
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
132 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
215 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 ...
1
vote
2answers
83 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
179 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
1k 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
257 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
44 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
434 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
570 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
296 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
947 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
148 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
1k 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
2k 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 ...
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 ...
1
vote
2answers
638 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
129 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
288 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 ...
1
vote
1answer
799 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
360 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
919 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
640 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 ...
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 ...
1
vote
4answers
705 views

For a SaaS application, how to allow customers to use their own domain names?

Using windows servers, how would a SaaS web application allow for customers to use their own domains? From what I have read, they would enter a CNAME record for example.com/myapp/ to redirect to my ...
1
vote
1answer
43 views

Configure bind9 to forward queries as-is and to reply answers as-is, or in search of perferct forwarder

I use bind9 server (A.A.A.A) as forwarder only: queries are forwarded to other DNS server (B.B.B.B). I manually ask B.B.B.B to resolve domain and got correct result: $ dig a downloadcenter.intel.com ...
1
vote
1answer
48 views

Safe to point www to root/naked domain on Azure?

My client would like to use the root/naked domain name of his site, rather than the www subdomain. I am not overly savvy on the fine points on DNS. Is it safe to create a CNAME record that points the ...
1
vote
3answers
411 views

Is there a way to delete an Azure cloud service (web role) and leave a DNS CName record in it's place?

We currently have two cloud services (web roles) running in Azure. They correspond to the version 1 release of our product and the version 2 release. The dns names that got assigned by Azure are ...
1
vote
1answer
383 views

What is the best way to configure Apache or AWS to support a Rails multi tenancy application that allows each customer to have their own domain name?

I'm building a Rails 3 SaaS site that allows for multi-tenancy. When a customer signs up they put in their own domain name, e.g. example.com. I need example.com to point to my SaaS application and ...
1
vote
1answer
487 views

redirecting www.www cname zone file

I have configured a zone fine on dns and now if i type the domain it redirect to www.www.domain.com instead www.domain.com Can anyoane help to sort it out and find what is wrong in the zone file? ...
1
vote
1answer
199 views

can't delete Resource Records through CMD in Windows Sever 2008

Final Update Problem erased in the least acceptable way: After re-installing the DNS-Server lead to even more problems, I re-installed the whole Operating System and - up to now - everything works ...
1
vote
1answer
459 views

How to add a CNAME for localhost in BIND 9?

I am doing web development and host the local versions of sites on my machine. I have Linux Slackware 14.0 with BIND 9.9.1-P3. In my named.conf I have this: zone "localhost" IN { type master; ...
1
vote
1answer
1k views

Sendmail issue with IPv6

I have an email server configured with multiple-instance of sendmail running each on different IPv4 and IPv6 addresses. Everything is running smooth until a point where for some domains/emails ...
1
vote
1answer
247 views

Easy way to shorten up bind9 zone config?

Is there an easy way to put some kind of variables into bind9 zone files? Lets say i have a bunch of different zone-files, and i would like to define my ip's in one config file. So that i can make ...
1
vote
3answers
133 views

DNS issue with migration of web site to new server

I have a legacy system that I'm attempting to make a significant configuration change to, but am not seeing a way to do so cleanly. The state I inherited consists of a web site hosted on two app ...