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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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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1answer
26 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 ...
0
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2answers
56 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
45 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
44 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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1answer
16 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
29 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
25 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, ...
0
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1answer
58 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 ...
0
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1answer
29 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 ...
0
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3answers
47 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 ...
0
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1answer
33 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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0answers
23 views

How to set up email DNS settings with a DDNS domain

I am trying to set up an email server on ubuntu. I have followed this tutorial which has worked perfectly but I am now having problems with my DNS. I have a DDNS domain from www.no-ip.com -> ...
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1answer
38 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 ...
0
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1answer
45 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 ...
0
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1answer
17 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 ...
0
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1answer
22 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
25 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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votes
1answer
35 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
96 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
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1answer
27 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 ...
0
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1answer
27 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
40 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 ...
4
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1answer
399 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
57 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 ...
0
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2answers
158 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. ...
0
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1answer
38 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 ...
0
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2answers
35 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
63 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 ...
1
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1answer
112 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 ...
0
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1answer
73 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 ...
1
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1answer
146 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
48 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
46 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
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2answers
74 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
67 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
181 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
162 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
votes
1answer
754 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 ...
1
vote
1answer
152 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
votes
2answers
239 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
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0answers
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). ...
0
votes
2answers
74 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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votes
1answer
149 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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0answers
189 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 ...
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votes
1answer
28 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 ...
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votes
1answer
34 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 ...
0
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1answer
66 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: ...
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votes
2answers
285 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
72 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 ...