2

I have DNS server to my domain abc.com.

Need to point my sub domain xx.abc.com to another subdomain xx.def.com. As it's hosted in xx.def.com, I will get any IP, so they will provide only subdomain name xx.def.com. Will it possible to point my subdomain to other subdomain instead of IP in DNS record?

  • ... or if you want all the records for a subdomain pointed elsewhere, there's also the DNAME record. – thrig Apr 29 '16 at 15:23
2

As you are mentioning different domains abc.com & def.com, you use web server redirection of xx.abc.com to xx.def.com. For example the below sample syntax is used to do redirection in Apache server:

<VirtualHost x.x.x.x:80>
        ServerName xx.abc.com
        Redirect Permanent / xx.def.com
</VirtualHost>

This will redirect all request coming from xx.abc.com to xx.def.com.

  • It worked with the web server redirection.. Thanks! – KKD May 25 '16 at 6:48
1

Yes, use a CNAME record. Exact syntax and details will depend on your software, but basically in place of writing something like this:

xx.abc.com. A 192.0.2.1

…you'll write something like this:

xx.abc.com. CNAME xx.def.com.
  • Will try with CNAME, Will it be faster than A record? – KKD Apr 29 '16 at 13:51
  • No, it's bound to be slower than A record because the resolver has to make an additional lookup to find out the address xx.def.com points to. Fortunately, this is a common thing, DNS has TTL fields, DNS software has caches—overall, the performance hit will be negligible. – Alexander Batischev Apr 29 '16 at 13:54
  • Mentioning CNAME to different domain def.com is not working.. As we have frequent changes in the IP address... – KKD May 25 '16 at 6:56

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