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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Does the “canonical name” in DNS make any difference to search engines?

Some of our sites are setup with an "a record" to an IP address and some are setup as a cname of a server that then has an "a name" to the same server IP. I want it to be consistent. Which is the ...
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How do I setup a permanent redirect from one domain to another?

I have a domain, say www.example.com which is redirected to a website built in Google Sites. I don't want different search engines treat example.com as a different site from www.example.com. How do I ...
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mod_rewrite: rewriting http://$SOMETHING.app.example.com/ to http://www.example.com/app/$SOMETHING

I'm trying to make http://$SOMETHING.app.example.com/ transparently rewrite to http://www.example.com/app/$SOMETHING. The config below is giving me a 404 and I'm not sure why. ServerName ...