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.

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How to map subdomain to a domain with CNAME?

I would like to point CNAME records for www.example.com to sub.example2.com. The hosting for example2.com is a shared hosting (cPanel without Addon domain feature). So, what I did was to add a ...
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14 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 ...
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41 views

CNAME one domain to another [duplicate]

I have created a CNAME for www.example.com to example.org I would like to create a CNAME for example.com to example.org Or, do I not need to do that? Our former email domain rather than ...
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33 views

Pointing www to one place, but keep subdomain here

First of all, sorry for the awful wording in the title. I will try to explain what I actually need and hopefully someone here will know if it's possible or no. Basically I want to point my ...
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2answers
29 views

Can a.X.com CNAME a.Y.com

I believe similar questions have already been answered. But my knowledge on network is sooo poor that I cannot even tell the similarity. I work for X and we use Y's SaaS Application. The application ...
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19 views

how to create Alias on IIS server in Windows server 2008 R2

I have a domain and I want to configure public URL for RDWeb Access. My domain provider needs a 301 re-direct in order to create the CNAME entry. So i need to know how can i create an alias of ...
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2answers
50 views

CNAME interfering with MX record? [duplicate]

I have got a free domain at Freenom, which I use to host my website, and to receive email. About a month ago, I used an A record to point [Blank] and www to the A record of my webhosting. I also had ...
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51 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 ...
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2answers
75 views

DNS MX vs CNAME entries

I have recently bought a domain for setting up a website. The website is hosted on OpenShift. Since OpenShift doesn't use its own nameservers, I've edited the DNS records on the domain registrar's ...
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1answer
65 views

Is it fundamentally possible to configure a VPN with “fake” CNAME?

The goal here is to alias a real domain on the wider internet with something like a fake CNAME entry (or by any other means available). For example, suppose I want to configure the domain fake.derp ...
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2answers
50 views

cname record to rhcloud.Com not working anymore

I have a website hosted at rhcloud.com. I added 2 years ago a cname on my domain name dp-global.vn to redirect to the website (gdp-robertduy.rhcloud.com). Today it is not working anymore and the ...
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23 views

Exchange 2007 - SMTP Traffic

I've done a check of what SMTP trafic is being routed through a 2007 mail server, which we are decommisioning. It looks like all printers are using the mail server for smtp relay, would it be ...
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1answer
36 views

MX does not work, after setup CNAME [closed]

I have the following configuration in the DNS server (1-configuration): -------------------------------------------------------------------- Host name | IP address/URL | Record Type | MX ...
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1answer
33 views

DNAME Functionality Using CNAME

I have a simple name server with namecheap, however the company I host Teamspeak with redirects to have an IP with Teamspeak's default port. So the IP they give me actually looks like this instead, ...
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1answer
63 views

Is a CNAME sufficient for a www. record?

I have been doing a server migration, and checking that everything related to DNS is configured correctly by using IntoDNS. After doing this though, it flags up a error saying that there is no A ...
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1answer
43 views

How does “Cloud Files” from Rackspace know about my CNAME record?

TLDR: when I make this DNS record: whatever.mydomain.com. IN CNAME biglongjibberstring.r89.cf2.rackcdn.com. How does Rackspace know that this random host name I've chosen should go to my Cloud ...
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3answers
49 views

Am I correct that I still need vhost records for users pointing a CNAME record at my application?

A user gets a subdomain in my application, customer.myapp.com. Since users will want to use their own custom domain I'll expect them to setup a CNAME record pointing customer.com to ...
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1answer
52 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 ...
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1answer
55 views

CNAME and redirects [duplicate]

Many thanks for the free service on OpenShift. I am using Gandi for my domain - www.something.io (₁), something.io (₂). I am trying to achieve the following: Have domains ₁ and ₂, redirect to ...
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1answer
54 views

SSL certificate for CNAME [closed]

We have added CNAME for AWS Amazon S3 domain. Like below test.domain.com IN CNAME d5f29cy3a2ai3ip.cloudfront.net. We already have the SSL certificate for the domain "www.domain.com". But don't have ...
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1answer
22 views

Azure VM CNAME Returns HTTP 502

I have a Virtual Machine in Azure with a Cloud Service VIP. I have opened up an HTTPS endpoint. If I alter my hosts file to point to the VIP, I can reach my IIS site without any trouble. So far so ...
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1answer
28 views

With anycast DNS, is it the IP or the FQDN that is doing it?

i am somewhat new to anycast and i want to know if it works on the IP or the FQDN. The reason i ask is, i have a anycastDNS account with a provider. And i would like to use my own domain name to make ...
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1answer
26 views

How to set up a CNAME DNS record that will be corresponding to an external website (using Amazon AWS) [closed]

I created an instance of Ubuntu on EC2 and added the DNSs from goddady. I have a page which I want to create an "Alias CNAME" to it. So when entering dashboard.example.com - instead of having this ...
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1answer
36 views

CNAME changes mails recipient address [closed]

we have a problem when using mx and cname records. The reason we are using a cname record is that our virtual machines are hosted on Windows Azure and so they've dynamic ips. We have the following ...
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3answers
137 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 ...
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1answer
30 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 ...
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49 views

Do I need “A record” for AWS ELB while I set up CNAME?

I register the domain through GoDaddy. And now i have a AWS EC2 server behind a ELB. I read the document from AWS about setting up the CNAME. which I did. www CNAME elb.aws.address while ...
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0answers
51 views

Delay for CNAME entries on Cloudflare, or any other restriction?

I have a domain like "example.org" at CloudFlare. I have a CDN at Amazon and would like a CNAME subdomain pointing to the CDN host. I have added a CNAME called "documents.public" pointing to the CDN ...
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1answer
410 views

Replacing an MX record with a CNAME that doesn't match the hostname

Today we have 5 companies that all use Google for email services example1.com. 3w IN MX 10 mail.Google.com. example2.com. 3w IN MX 10 mail.Google.com. ...
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votes
3answers
63 views

Can we create a CNAME alias for something like docs.mysite.com/xyz [closed]

We maintain links to the documents coming from the following 3 sources. 1. docs.abc.com 2. docs.def.com 3. docs.ghi.com But we do not give a direct link to the user. So we give the links to the ...
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2answers
219 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. ...
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1answer
42 views

Accessing original files on a domain which has A-Record redirect to tumblr [closed]

Hosting a tumblr on a custom domain, but allowing access to files that are at that domain, that are outside of the tumblr CMS. The custom domain I've got two A-Record DNS entries that point over to ...
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2answers
39 views

Nameserver as CNAME [duplicate]

We have a ton of client sites pointing to ns1.hostingcompany.com. I'd like to create whitelabel nameservers so we can easily move sites/servers as needed. For example, I'd like to try Cloudflare ...
0
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1answer
78 views

How to point 2 CNAME records to same external address? [duplicate]

I am fairly new to DNS managing. I have been attempting for a while now to point both my root domain @ and www to my GitHub account page user.github.io. I have a CNAME pointing www to ...
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1answer
153 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 ...
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1answer
115 views

Heroku is not switching certificates after adding custom

I have an app on Heroku and I bought my own certificate, valid for myapp.mydomain.de. I added it to Heroku using their addon, SSL Endpoint. I have a CNAME record which redirect from myapp.mydomain.de ...
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1answer
204 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
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1answer
53 views

Dynamic VirtualHosts (CNAME)

I have dynamically configured virtual hosts: UseCanonicalName Off <VirtualHost *:80> ServerAlias *.projects.domain.com VirtualDocumentRoot /var/www/projects/%-4 </VirtualHost> ...
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2answers
49 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 ...
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2answers
84 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 ...
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votes
1answer
74 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
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1answer
220 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
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2answers
191 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 ...
0
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1answer
922 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 ...
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1answer
179 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 ...
3
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2answers
288 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 ...
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34 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). ...
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2answers
89 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 -> ...
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1answer
236 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 ...
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228 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 ...