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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Changing DNS records when Moving a site

I'm building a new Magento website on a Amazon ec2 instance and will need to point domain of their old OSCommerce site to the new ec2 instance's elastic IP address. Normally I would have though this ...
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1answer
31 views

Is worrying about too many CNAMEs a micro optimization?

We have a whitelabel platform and I'm thinking about making one of my 'lower' domain names an A record instead of a CNAME, because I'm worried about too many cname redirects. The whole stack would be ...
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2answers
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Does a client cache the IP of a CNAME DNS request or the other domain?

I am contemplating using two different DNS hosts and am curious as to how a client system would cache the CNAME record. The reason I am going this route is that a primary domain that I would like to ...
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1answer
15 views

How to redirect one domain to the other with SSL?

I have two domains (example.com and example.co.uk). The .com one is the "head" and has servers behind him. What I want to do is redirect all traffic from the .co.uk to the .com domain. I looked at ...
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18 views

can we create CNAME and subdomain with same name? [closed]

I need to create CNAME alias for link redirection, and need to create sub-domain for creating email.
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39 views

Redirect domain and all the subdomains to a certain sub domain

I am building a site for the alumni association of my school. I have bought a domain myschool.com from GoDaddy. In GoDaddy, I have customised DigitalOcean as name servers. I would like to customise ...
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0answers
15 views

Point domain to different domain's host server

I have a Hover domain, let's call it domain.com, and a Web10 (Danish hosting firm) domain and hosting solution for a different domain, let's call it host.dk. What I want is for when going to ...
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2answers
228 views

DNS for restricting youtube content

Google sent out an email to Admins stating that they were no longer supporting YouTube for Schools. Instead, they say, if we want restricted content we should: Configure Domain Name System (DNS) ...
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2answers
33 views

How to configure Zone File to point a subdomain to another IP

I'm trying to configure a subdomain for a staging machine we have, to no avail. I'm no expert at all in Zone Files and configuration management, so please be patient if something I say sounds weird or ...
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2answers
61 views

how to have domain without www and MX records work together? [closed]

I think i have a common problem but wasn't able to find much resources for answering it. We have a domain and it works when we resolve it as www.domain.com, i have also setup a MX record pointing @ to ...
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1answer
23 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 ...
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24 views

VirtualDocumentRoot and CNAME

We have a apache setup that uses VirtualDocumentRoot. This is out vhost file <VirtualHost *:80> ServerName vsweb005.[domain].local ServerAlias *.*.*.vsweb005.[domain].local ...
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27 views

Wrong configuration with CNAME & PaaS Provider [duplicate]

I'm new to this new topic of DNS and researched a lot the last days. I bought a domain name and a PaaS server. Now I want to point the domain name to the PaaS Server. The issue is that my ...
2
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1answer
38 views

For DNS and SSL do I need a separate certificate for every (DNS RR) A record?

So our firm wants to separate out our cloud servers into separate environments, so www.foo.com, test.foo.com and dev.foo.com. [We may even want to break our subdomains into further sub-domains.] My ...
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1answer
13 views

GoDaddy: Link subdomain to subdirectory

I have a multi-tenant app on Heroku where each tenant has a portal (micro-site) that lives in a sub-directory (e.g. http://www.example.com/portals/foo-bar). My domain is hosted by GoDaddy and I want ...
2
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2answers
69 views

How to point multiple top domains to IP of another top domain?

Lets say I have top domain domain-X.com with DNS A record pointing it to IP 1.2.3.4 then I have domains, which I might not have control over, they belong to customers, which owns them and may ...
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0answers
12 views

TLD pointing to subdomain of TLD connected to Heroku

I'm trying to point the root of of domain2.com to a subdomain of domain1.com (which is pointing to a Heroku instance). Do I need to run some kind of reverse proxy for this to work? If so, what kind of ...
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1answer
23 views

Cloudfront: Pulling content from subdomain - serving it on main domain

I'm setting up CloudFront (CF) using third party hosting as the origin. What I want is to have the CF servers act as my own hosting, meaning I don't want to fetch files from the likes of ...
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1answer
66 views

Fixing invalid DNS records for mail server with SSL certificate

Ok, so the question name is a bit weird but I wasn't quite sure how to word it. I have a machine with the hostname foo.example.com with an SSL certificate for the domain mail.example.com. I have also ...
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1answer
34 views

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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1answer
26 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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1answer
47 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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1answer
37 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
32 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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33 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
64 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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1answer
84 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
94 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
80 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
67 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
27 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
46 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
47 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
65 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
58 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
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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
90 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
83 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
62 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
35 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
30 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
30 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
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
218 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
33 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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1answer
98 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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59 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
votes
1answer
422 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
71 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
votes
2answers
372 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. ...