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
1answer
28 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 ...
0
votes
1answer
30 views

Dynamic VirtualHosts (CNAME)

I have dynamically configured virtual hosts: UseCanonicalName Off <VirtualHost *:80> ServerAlias *.projects.domain.com VirtualDocumentRoot /var/www/projects/%-4 </VirtualHost> ...
1
vote
2answers
36 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 ...
0
votes
1answer
850 views

How to setup an alias in IIS?

I'm a SharePoint developer, so please, bear with me here and I'll provide more information as needed since I'm not sure what I need to specify here! I'm trying to setup an alias in IIS. I have a ...
0
votes
1answer
1k views

Pageok given by puppet instead of subdomain files hosted on godaddy

I'm managing the e-commerce website for a retail store in Los Angeles, and use a subdomain hosted on GoDaddy as a fileserver to augment our Online Webstore CMS, which won't take large files (and ...
4
votes
2answers
5k views

Can we have multiple CNAMES for a single Name?

Can I have multiple CNAMES for a single name? I need this for load balancing. For example, I've two azure storage accounts (say a and b) and the blob addresses for those are a.blob.core.windows.net ...
0
votes
2answers
55 views

CNAME or A Record to Site under www root?

So I have a server that runs a webapp and I have recently installed our BMC Track-IT! help desk software on it. I also installed Track-IT! Web which is client facing allowing users to browse their ...
-3
votes
1answer
30 views

Temporarily forwarding client site requests via DNS to hosted maintenance page

Is it possibly via DNS modification to forward a clients site requests to a maintenance page hosted on my own server? I would like the option of easily rerouting a clients' web traffic through DNS so ...
1
vote
2answers
612 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 ...
0
votes
0answers
31 views

Ngrok custom hostname add cname to subdomain

I have xyzfoo.com domain. I created a DNS CNAME record which points to ngrok.com I have my app running locally on http://127.0.0.1:5000/ but not running remotely on zyxfoo.com Does a subdomain need ...
2
votes
2answers
118 views

Changing an `A` record to a `CNAME` without downtime

I have a domain name (currently hosted on dyn.com) with an A record pointing to our production IP address. We're moving across to Amazon EC2 and are using a load balancer, with the recommendation ...
3
votes
2answers
75 views

Best CNAME TTL strategy for fallover switching

I've recently been thinking about the TTL of our DNS. We have A records for our servers and then CNAME records for the customer facing names. The www.example.com CNAME points to server-01.example.com ...
0
votes
1answer
90 views

Alias (CNAME) record cannot be added to this DNS Name [duplicate]

In Microsoft DNS, I'm trying to setup a simple DNS Alias (CNAME) pointing from domain.com to www.domain.com. I also want to forward www.domain.com to a specific IP. In other words, I want to do ...
0
votes
1answer
38 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
3answers
713 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 ...
0
votes
0answers
33 views

CNAME Setup on Apache to Point to a Site Hosted On Another Server [duplicate]

I'm trying to setup a CNAME record on an Apache server. Basically, what I want is to redirect a site on a different server (e.g., http://siteName.com/index.php) to beta.siteName.com (which is on AWS). ...
0
votes
2answers
39 views

How to create a catch all Apache VHOST entry? [closed]

Hi I'm trying to allow users to domain map to us using CNAME's. Our server is running CentOS 6.4 and Apache. When I create a CNAME on another domain we have with the values: test.otherdomain.com -> ...
-2
votes
1answer
53 views

SSL Certificate on CNAME

I have been reviewing the other posts regarding the issue, but having some trouble understanding since I've tried implementing it but still not able to figure it out. I have 2 servers. The main ...
1
vote
0answers
69 views

Why does RFC 2181 disallow MX record with a CNAME exchange?

According to RFC 2181 http://tools.ietf.org/html/rfc2181#section-10.3 10.3. MX and NS records The domain name used as the value of a NS resource record, or part of the value of a MX ...
-1
votes
1answer
21 views

MS Exchange 2003 to Google Apps Migration Domain Verification

My company just decided to move to Google Apps due to lots of technical issues with our Exchange 2003 server. I have just signed up for the free trial account for Google Apps and one of the first ...
-3
votes
1answer
42 views

Unable to point CNAME of subdomain of my website to it's tumblr blog in plesk [closed]

I created a tumblr blog for my website. And I want to host it on blog.mywebsite.com subdomain. Tumblr says that I should add CNAME instead of A Records to domains.tumblr.com. But the problem is that ...
-3
votes
1answer
29 views

Emails old MX, A and CNAME records [closed]

I need urgent help please. One of my clients had a domain(example.com) which they forgot who they bought it from 3 years ago. i transferred it to my hosting account as addon domain, then they told me ...
-1
votes
1answer
53 views

Switching to different domain registrar and different host without any website or email downtime

What I currently have: Domain registered at register - oldregister.com Website hosted at different host - oldhosting.com Email hosted at different email provider - oldemailhosting.com What I want: ...
-1
votes
2answers
121 views

How to point CNAME to Digital Ocean droplet

Having an issue trying to point a CNAME to my Digital Ocean droplet I created a CNAME on DNSimple and pointed it to the IP address of my Digital Ocean droplet: ironman4x4.adamgeorge.com I've tested ...
3
votes
0answers
57 views

How do large SaaS providers support A records? [closed]

According to RFC 1035 CNAME records cannot be used used in a zone apex because a CNAME record cannot exist alongside records such as SOA. This is frequently a source of frustration for those trying ...
0
votes
2answers
98 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). ...
0
votes
1answer
91 views

DNS server not resolving github page properly after two days

I had GitHub pages set up at mypage.github.io. I changed it to mynewpage.github.io with a new account and repository. I deleted the old CNAME and configured another CNAME in DNSimple to point to the ...
-2
votes
1answer
160 views

Server responds to non-www but not to www. DNS problems?

The www. version of the site is not being routed. non-www version is served correctly. My registrar is with FastHosts, and I am wanting to move from 1and1 to DigitalOcean for web server with ...
-1
votes
1answer
81 views

CName and A type sites hosted with and without SSL [closed]

Ok, I have a bit of a complicated set up that works for the most part, but recently I've had to migrate a couple sites to my server and I can't seem to get things working the way I want. I have 5 ...
-1
votes
1answer
150 views

GoDaddy DNS point my Sub-domain to another Server? [closed]

I want my Root Domain to be still sitting on GoDaddy default IP. (To show the default GoDaddy page that we get whenever we buy a new domain). Then my sub-domains to be pointing to my own WebServer. ...
3
votes
1answer
274 views

Can I set a CNAME to point to the CNAME of a separate domain [duplicate]

I want to insulate myself from changes to the domain of the server we're using. For example, right now we need to point to: www.oursite.com. IN CNAME www.myserver.com. But the service we're ...
9
votes
1answer
780 views

Why can't a CNAME record be used at the apex of a domain?

It's relatively common knowledge that CNAME records at the apex of a domain are a taboo practice. Example: example.com. IN CNAME ithurts.example.net. In a best case scenario nameserver software ...
3
votes
4answers
2k views

Dynamic subdomain routing

I asked this question over at stackoverflow, but got very few views: http://stackoverflow.com/questions/2284917/route-web-requests-to-different-servers-based-on-subdomain Perhaps it's more applicable ...
-3
votes
2answers
144 views

DNS A Records For One Domain On Two Servers

I have two servers, both of which host multiple websites. I would like both servers setup to use a single domain. I have Kloxo installed on both of them and would like to be able to access it via a ...
0
votes
1answer
142 views

Error 404 on CNAME forward

In my DNS manager, GoDaddy I made some A Record that points to *.mirror for my domain Now when I access URL 123.mirror.mydomain.com from the browser I can see that my app is loaded, and its all OK. ...
0
votes
1answer
182 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
113 views

cPanel CNAME is being ignored

I have a server with cPanel installed (version 11.42.0 build 23) and a main domain my-site.com. Let's pretend the IP address is 1.2.3.4 (Sorry I'm not allowed to disclose the real ip address). I also ...
3
votes
5answers
3k views

Pointing www to a CDN(Akamai)

Why would someone point(CNAME) www.example.com to a cdn? When I run host on Etsy, I get a [c]$ host www.etsy.com www.etsy.com is an alias for www.etsy.com.edgekey.net. www.etsy.com.edgekey.net is an ...
-1
votes
2answers
239 views

Redirecting an entire domain to another in one CNAME record [duplicate]

Is there a way to redirect an entire domain to another domain through one CNAME record? For example [anyhost].domain1.com pointing to [anyhost].domain2.com where no matter what host name I enter in ...
0
votes
1answer
43 views

How to define www and .com as the canonical versions of the domain?

Trying to figure out how the DNS should be configured for the domains foo.com and foo.net so that: www.foo.com is the canonical version of the domain (foo.com should also still work) foo.net and ...
2
votes
2answers
106 views

Performance penalty when using CNAME

We are using the current CNAME record for a server, i.e. foo.example.com => CNAME => server1.example.com server1.example.com => CNAME => ec2-34-142-138-31.compute-1.amazonaws.com ...
2
votes
2answers
148 views

Why use CNAME in Route 53+S3 combination

I have been going through Amazon's docs on using Route 53 in conjunction with S3 to serve static websites. The strategy they show is to do: example.com A -> alias to ...
-2
votes
2answers
649 views

How do I make my godaddy domain automatically redirect to a github page [closed]

I recently bought a .com domain (call it mydomain.com) from godaddy and I'm trying to make it so that whenever someone types in mydomain.com, their browser will load mydomain.github.io. I've already ...
4
votes
1answer
337 views

Amazon S3 appears to be blocking cloudflare IP addresses. How do I fix it?

I have static content that is being served by Cloudflare. Cloudflare points to Amazon S3 to pick up the static content and serves it via a CNAME (cdn.mydomain.com). The bucket is setup properly and ...
1
vote
2answers
78 views

DNS CNAME infinite recursion

DNS can handle recursions in CNAME fields. But I was just wondering what would happen if I do something like this, when configuring the DNS for the example.com domain: a IN CNAME ...
1
vote
1answer
173 views

NAS share not accessible using a CNAME from Windows 2008 R2

I have a NAS filer share say \xyz.abc.def.com. I am trying to access the share from Windows server 2008R2 Server. We have a CNAME xyz.def.com pointing to xyz.abc.def.com. I am able to access the ...
1
vote
2answers
151 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
1answer
100 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 ...
2
votes
2answers
363 views

CNAME domain to heroku app

I've got a domain hosted (DNS only) on Dreamhost. I've got www.mydomain.com CNAME'd to my web app on heroku, I would also like to CNAME just the domain (mydomain.com). Ofcourse, you can only CNAME ...
1
vote
1answer
876 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 ...