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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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: ...
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118 views

Question about a DNS and subdomain on a different server

I want to know if and how I can do the following: server A is the main server for www.aserver.com server B is a server that gives webservices, and one of the services is for activator (an internal ...
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264 views

CNAME - MX Records (Google Apps)

I need to know if I can "CNAME" older domains to a new domain names so that BOTH email addresses and browser requests will still work. I say this is because I will need emails for ...
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594 views

IE Kerberos failure on some machines with CNAME web server (with SPN for host's A record)

It's fairly well known that IE doesn't like to do Kerberos against hosts that are registered in DNS as CNAMEs. What happens is that IE turns around and uses the underlying A record for the host for ...
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821 views

CNAME to another domain fails on some office networks, why?

Our domain "aspenfasteners.com" is hosted by Volusion. We have CNAME records "find" and "search" which point to site indexing accounts on www.picosearch.com. These addresses fail on SOME private ...
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CNAME/AJAX subdomain point to domain

Could anyone let me know how to use a subdomain for ajax calls to a main domain? I know it requires the use of CNAMES and whatnot, but I'm a bit clueless still. I want to make AJAX calls to ...
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1k views

DNS CNAME Record windows 2003 R2 server by IP address

I am trying to add a CNAME record to point to an ip address. I have added the CNAME record to the primary DNS server that looks like this: foobar Alias(CNAME) 192.168.50.11 I restarted the DNS ...
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582 views

For a SaaS application, how to allow customers to use their own domain names?

Using windows servers, how would a SaaS web application allow for customers to use their own domains? From what I have read, they would enter a CNAME record for example.com/myapp/ to redirect to my ...
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132 views

redirecting www.www cname zone file

I have configured a zone fine on dns and now if i type the domain it redirect to www.www.domain.com instead www.domain.com Can anyoane help to sort it out and find what is wrong in the zone file? ...
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93 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 ...
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98 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 ...
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813 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 ...
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199 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 ...
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3answers
130 views

DNS issue with migration of web site to new server

I have a legacy system that I'm attempting to make a significant configuration change to, but am not seeing a way to do so cleanly. The state I inherited consists of a web site hosted on two app ...
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1answer
868 views

Elastic Load Balancer + Domain setup

How do I assign the ELB (Elastic Load Balancer) to my domain. Do I need to do it for the main domain (ie. domain.com) or sub domain (www.domain.com). My registrar is godaddy - how I do it? - What's ...
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130 views

need to help with dns cname recode

I am running app on mydomain.com, when abc customer ask for instance of my app, I create a subdomain (like abc.mydomain.com) and put copy of app to that subdomain. That's fine. When abc ask for their ...
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290 views

messed up confused dns records!

I'm totally new to this, please help. While trying to redirect the mail from my server to gmail using MX records, I think I've messed up, and I'm way confused about that. First: I can set DNS records ...
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607 views

CNAME help - wildcard DNS for SaaS

I am trying to figure out how to allow my users to use a CNAME for their unique wildcard domain. (user1.wlapi.com), etc I read here: ...
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4k views

How do I enable Windows XP's Windows Explorer to accept CNAME aliases in the address bar? [duplicate]

Possible Duplicate: How to Configure Windows Machine to Allow File Sharing with DNS Alias Environment: Let's say my server name is OU812 and its IP address is 172.100.51.50. In DNS Manager ...
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764 views

Custom Domain Name - Server not found Google App Engine and Google Apps

I have integrated my domain at Google Apps with Google App Engine. I added www.myDomain.com to google app,it was working correctly and pointing to my application at appEngine, but now it doesn't ...
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228 views

Offer Custom URLs using CNAME

How do I allow my customers to access subdomain.myapp.com from a subdomain.customerdomain.com. Google Apps allows you to do this with a CNAME change. How can I offer a similar functionality? I found ...
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446 views

How to setup a CNAME to map a custom domain to an Apple Mobile Me site

My site is published with iWeb and is hosted at URL like this: http://web.me.com/foobar With pages like this: http://web.me.com/foobar/site/about.html I have a custom domain (e.g., www.foo.com) ...
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283 views

How to setup http redirect for links to other urls on my site?

I'm trying to use cname and http redirect to hide that I'm linking to other domains on my site. I know how to setup the cname through my hosting service, but I'm unsure how to setup the http ...
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698 views

How to setup GoDaddy dns forwarding

I have a VPS in England and a hosting account with hostgator. I use GoDaddy to manage my domain name settings. My VPS is mainly used for mail and certain other services. The actual site is hosted at ...
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Do some mail servers rewrite envelope-to in response to a CNAME?

In DNS, I have service.example.com. CNAME box.example.com. When sending email automatically to about 10,000 adresses (no worries, nothing sinister), I set envelope-from to ...
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How to point a domain to an IP or host such that we can change what server that points to?

We provide a hosted CMS for our customers, and when they want to point their domain name to their hosted site, we currently instruct them to create an A record that points to our load balancer's IP ...
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947 views

Dynamic Virtualhost on Wildcard Subdomain hidden behind CNAME

Introduction I have a community and every user can has its own subdomain at my project e.g. username1.mydomain.com In PHP I use the variable HTTP_HOST to determinate the username (username1). Task ...
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723 views

Domain regisration in Godaddy and Hosting in Plesk

I bought new domain in GOdaddy and host the site in plesk 9.2.2 . How to related these two. While i adding the domain in plesk it automatically added 10 DNS records like A ,CNAME,MX. but in godaddy ...
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Dreamhost DNS CNAMEs work at my house, not for anyone else

I have my domain BQQKSHELF.COM that I bought through Dreamhost. I set up a CNAME so that zach.bqqkshelf.com points to my app at zach.heroku.com. The app at Heroku is working fine. Everyone can agree ...
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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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152 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 ...
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mod_rewrite after a cname

I have the domain foo.bar.example.com. foo is one of many sub-subdomains under bar.example.com. I need to capture and redirect all links at foo.bar.example.com that begin with "/special/". ...
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58 views

How can I get my MyDomain-registered domain to point to a new URL?

Sometime before, MyDomain allows CNAMEing of second-level domains, and I naively used that. Now I thought I had specified everything using an A record, and last night I changed the entry for ...
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Windows Server 2008 DNS server CNAME resolution and TTLs

We have a Windows 2008 SP2 DNS server configured to use root hints. We have a certain MX record lookup that it periodically fails to resolve for our client machines. The lookup is for the MX record ...
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84 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 ...
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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 ...
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470 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 ...
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Large scale custom domain support for a hosted web service

I am running a hosted platform for publishing Markdown documents. Currently I offer a subdomain per user, but the number one request right now is custom domains. My server stack is NGINX and uWSGI ...
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197 views

Are username subdomains needed for white label cname applications?

I'm having a SaaS site developed and will be offering white label service with some memberships. During user registration I will be asking users to enter a 'username' which will be used for a ...
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312 views

Changing web host but not mail host

I have a client who switched their web hosting to my linode, but wants to keep their mail services on bluehost. Everything web-related switched over fine. I'm encountering undeliverable mail when ...
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542 views

Linux CNAME without nameserver

Is there a way to setup CNAMEs without using an actual nameserver? This is for testing purposes on EC2 so any (hacky?) way of doing it would be good. Or, if there's a light DNS server that's easy to ...
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672 views

Move primary domain hosting from GoDaddy, but keep email & subdomains there w/ non-GoDaddy registrar

Given a domain registered through DotRegistrar, with GoDaddy as the current host (shared hosting) I need to figure out how to move the hosting for the primary domain to another hosting provider ...
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959 views

Creating CNAME to delegated domain

We are trying to configure F5 to do load balancing on 4 sub domains similar to this article. For Example prod.wip.example.com. NS F5NS1.example.com. prod.wip.example.com. NS ...
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277 views

Prioritize C-Name over wildcard A-Record on GoDaddy?

I have a web application where users can create individual websites with different subdomains, e.g., subdomain1.mydomain.com subdomain2.mydomain.com I purchased the domain through GoDaddy, and I have ...
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959 views

Setting CNAME at abc.example.com to redirect to amazon EC2 instance

This is linked to this question: http://serverfault.com/questions/23650/redirecting-to-the-ip-of-an-amazon-ec2-instance I am able to create a "subdomain", but NOT the CNAME record because 1&1 ...
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105 views

Naming standard for additional A records/IP addresses for IIS servers?

When you're adding another IP address to and IIS server, what naming standards do you use for the A records? Background: I've a bunch of sites on an IIS server which use (CNAME'd) host-headers and a ...
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If you have a *.domain.com CNAME record, does that have less of a priority than a blog.domain.com?

I have some defined CNAME sub-domains on my site: blog.site.com wazoo.site.com I want to add *.site.com support and have all of those wildcard requests get handled by my main web server (the ...
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Is it possible to have regular-expression CNAME record in DNS?

Is it possible to do something like this? Or any equivulent? in a DNS server. ([0-9]{2}).mydomain.com. IN CNAME www$1.other-domain.com.
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Using a CNAME to forward traffic from a naked domain

I have a domain, flyh2.com. I use a CName to forward www.flyh2.com to flyh2.elasticbeanstalk.com where my web site is hosted. This is the only way Amazon allows custom domain names. A records aren't ...
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3answers
84 views

How to change domain's A record without disabling incoming mail traffic for a while?

I have situation where my domain's A record is pointed to certain IP address, which I need to change, but MX record have destination - to my domain name! How to change A record and to avoid mail ...