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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4
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1answer
356 views

Is stage.*.example.com valid for a wildcard DNS CNAME?

We are creating a web app that will have vanity subdomains such as user1.example.com. Since we'll have many subdomains, they need to be dynamic. We want to have a public "stage" area where we can test ...
6
votes
2answers
5k views

How long does it take for a Route 53 CNAME to work?

I have set up a CNAME in Amazon's Route 53 to point to another server. This is a new CNAME for a new subdomain pointing to an existing domain name. With other DNS providers that I've worked with, new ...
1
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1answer
86 views

More than one CNAME for S3 website

Is it possible to have more that one CNAME for amazon web services S3 web site? In docs it is said that bucket name should be equal CNAME. mysite.com and www.mysite.com as aliaces do I need to ...
-3
votes
1answer
85 views

How can i set new domains to respond to my server [closed]

I would like to create a page for new clients in my hosting. When someone register a domain, sometimes that person don't have a dns, or the hosting didn't created the account. So the page will not ...
0
votes
1answer
59 views

Detecting TLD for localization

I have many TLD's for my domain, for US users it's .COM, for German users it's .DE, etc. I redirect them all to the .COM domain using CNAME records. The reason is to prevent getting a penalty from ...
0
votes
4answers
2k views

CNAME not resolving

I've got a domain (example.com) registered with godaddy and pointed to nameservers hosted by linode. I've got a multisite WordPress install on linode (blogs.com) and I want to point the domain to a ...
0
votes
1answer
129 views

Confused about CNAME and subdomains

I have an app that sits at exampleapplication.com. It's a rails application sitting on an Apache/Passenger stack. The app is set up to use subdomain constraints to point to user accounts (e.g. ...
0
votes
2answers
224 views

Do I need an SSL certificate if all traffic is being redirected to another secure domain?

I currently use a CNAME to silently direct all traffic for http://cdn.domain.com to my Rackspace Cloud Files domain at http://cxxx.rxx.cxx.rackcdn.com. Now I also want to silently direct all HTTPS ...
8
votes
2answers
9k views

Do CNAME records require time to propagate?

When I typically update DNS ("A" records) I will allow for an extended period of time for the changes to propagate throughout the root nameservers. Do I need to make this same allowance for updates ...
0
votes
2answers
188 views

Do I need a subdomain or CNAME?

I have a domain with Godaddy (mysite.com) which is pointing to my AWS EC2 box. Now I need a launchpad link on my website so that if the user clicks on it it would point to launch.mysite.com This ...
-1
votes
1answer
30 views

Integrate an hosted e-commerce solution in a web site hosted on a different server [closed]

In mydomain.com i need to integrate an ecommerce page that i would like to be hosted by a different provider. For what I understood I have to create a subdomain store.mydomain.com from the cpanel and ...
-1
votes
1answer
197 views

Serving static site with Amazon S3 [closed]

I want to host my static site www.something.com on Amazon S3. I've followed these instructions however I'm still having trouble. Specifically when I browse to www.something.com I'm sent to whatever my ...
0
votes
1answer
402 views

Is whitelisting a CNAME enough?

We are working on setting up a list of domain names we need to have whitelisted for educational institutions who use our site. We are using AWS S3 as well as cloudfront. In our cloud front, we ...
1
vote
1answer
2k 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 ...
4
votes
2answers
318 views

Detect CNAME chains in BIND zone file

Are there any tools available to automatically detect (and optionally correct) CNAME chains in BIND zone files? I am trying to clean up a rather large zone file (15,000+ resource records) so I'm ...
0
votes
1answer
86 views

CNAME subdomain of subdomain with content on first subdomain

Okay so maybe that title is a bit confusing but here is what I'm trying to do: I have a subdomain with content at my.example.com I want to set up something like sub.my.example.com This does not ...
2
votes
1answer
2k views

cpanel - I'd like to add CNAME for domain.com

I want to change A record of my root domain www.domain.com to CNAME dyndns.org But cpanel gives me error: already has a SOA record. You may not mix CNAME records with other records for the same ...
1
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2answers
222 views

CNAME would only connect ipv6 connection

I signed up for freenet6's ipv6 tunnel. Everyone (even ipv4) can access my XAMPP server by using http://myaccount.broker.freenet6.net no problem. What I want to accomplish is to setup a domain instead ...
0
votes
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 ...
0
votes
2answers
3k views

ISPConfig Creating CNAME and A for web domain [closed]

I have ISpConfig 3. I have an ip address "xxx.xxx.xxx.xxx". I want to configure this to point to http://www.my.mydomain.com I have created DNS record and configured "xxx.xxx.xxx.xxx". and domain ...
1
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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
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1answer
76 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 ...
3
votes
3answers
333 views

CNAME versus an additional A&AAAA record

So, let us say that we have set-up an A record and an AAAA record for @, and for www we have set-up a CNAME pointing to @. When a new visitor visits example.com and the webserver sends a 301 ...
0
votes
1answer
760 views

CNAME to wildcard subdomain only getting default server page

We're having problem with a server config, and I hope I can get some help with this as its driving us mad! Basically, we have an app set up at domain.com, and wildcard subdomains set up on the same ...
3
votes
1answer
266 views

Is It OK to Rewrite Email Addresses Intended for Remote Delivery to Use CNames?

I've discovered that a remote site is rewriting email intended for our machines to use the CName of the machine that the mail was addressed to (e.g. mail@virtual.virtualdomain.com becomes ...
1
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2answers
2k 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 ...
0
votes
3answers
112 views

Handling range in CNAME

We have different set of CNAMEs pointing to different subdomains. These subdomains (a.domain.com, b.domain.com) are pointing to different IPs on different machines. # Server A a1.domain.com pointing ...
-3
votes
2answers
146 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 ...
1
vote
2answers
567 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 ...
0
votes
1answer
129 views

App Engine: Redirecting domain (not google apps) to appengine without Host records

I would like to redirect a domain to app engine, but my Domain provider only allows me to set information for Primary DNS and Secondary DNS. It means that there is no possibilities to set host records ...
5
votes
3answers
2k views

How can I list the cname location of a printer in Active Directory?

I'm working on a new print server running Windows Server 2008 R2. The shared printers will be listed in Active Directory. The print server has a host record with one name, but I want to users to ...
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votes
1answer
162 views

Add CNAME record to Ubuntu to Verify Domain for Google [closed]

I would like to add a cname record to my Ubuntu VPS to verify a domain for Google apps. Just looking for the most simple commands to do this. Any help is appreciated.
3
votes
2answers
2k views

How do you set up dynamic cname records?

The project I'm working on requires that we mask AWS EC2 host names with our own subdomains. For example: ec2-176-34-163-40.eu-west-1.compute.amazonaws.com would map to gf53ef.domain.com and ...
8
votes
2answers
5k views

Not receiving mails from some senders due to DNS config

I have noticed a peculiar behavior of my google apps domain. Most of the mails come through as you would expect, but over a period of time I have come to the conclusion that mails from certain senders ...
1
vote
1answer
215 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 ...
0
votes
1answer
567 views

Cookieless Domain redirect in WHM/cPANEL

I am currently trying to get my head around in understanding how to set-up a "cookieless" domain using WHM / Cpanel - unfortunately without any success at this moment. I have a Magento store and I ...
0
votes
3answers
13k views

How to redirect domain A to domain B using A-Records and CNAME records only

I have 2 domains hosted with different hosts. I need to redirect Domain A to Domain B. Unfortunately I can't do a 301 redirect from Host A, but can only modify/add DNS entries (A-Records and CNAMEs) ...
-1
votes
1answer
184 views

map www.abc.com to www.t.xyz.com using cNAme

I have a parent domain as www.xyz.com and a sub domain www.t.xyz.com the site is hosted on www.t.xyz.com I have another domain www.abc.com i want to map the www.abc.com to the sub domain ...
0
votes
2answers
371 views

Adding CNAME entry to nginx for cdn rewrite

I am using apache + nginx (for serving static content) and just bought a CDN. I have added a CNAME entry to my CDN URL, which should be cdn.example.com and pointing to the original cdn url. ...
-3
votes
1answer
58 views

Hosting vs DNS and domain management

I have the following problem. I have a reseller hosting services which offer to my clients. One of my clients want to keep the domain and DNS management with him. What information he needs to point ...
1
vote
2answers
590 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: ...
6
votes
1answer
1k views

Wildcard 'A' record overriding CNAME record

I have a Wildcard * A record for self-registration of subdomains by users on our web app. All works fine. I now need to set up an alias for support.mydomain.com to point to mydomain.freshdesk.com. ...
5
votes
4answers
623 views

should Apex domains (and records) be avoided?

I'm building an app that is hosted on Heroku. Heroku suggests that Apex Domains are a Very Bad Idea -- they suggest using CNAME records and a workaround service like Zerigo or DNSSimple. However, ...
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votes
1answer
153 views

Response time more than doubled after switching from A to CNAME on Heroku

I recently switched my Heroku app DNS setting from using A record at the apex to using CNAME record at www subdomain, because of the scenario outlined in this blog post: ...
1
vote
1answer
124 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
501 views

How to resolve issue… Amazon ec2, elastic IP setup with Route 53 not working?

In this post it says its best to use CNAME only for Ec2 / route 53 setup: EC2/Route53: How do I assign my new domain name to an instance?. However, I added: *.mysite.org. CNAME ...
0
votes
1answer
114 views

Using aliases for MX records

I have a domain, say example.com, and don't run my own mailserver so I use my ISP's, say myisp.com, so in my DNS the MX records point to ex1.myisp.com and ex2.myisp.com. I also have an ill-conceived ...
0
votes
1answer
51 views

CNAME based php hosting

CNAME based php hostingI have an application that lets users get a *.onemobi.net account (ex. bob.onemobi.net). Now what I would like to do is give the user the option of being able to use their own ...
2
votes
2answers
170 views

CNAME, A, and Apache - Why does one work and not the other?

I have a website, example.tld. The DNS has an A record for example.tld that points to 1.2.3.4. Is there any difference (as far as Apache is concerned/configured) whether a sub-domain ...
0
votes
1answer
254 views

Root domain redirect, otherwise A record redirect

I would like to redirect every incoming request via A record to another server (url-shortening service) unless the root is requested.... Is this possible? If so, how? If not, why not? A simple ...