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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SEO impact of using CNAME host both naked and www URL

I have been told I can have two A records on my domain, one with www and one without. However, I have been told can cause SEO issues because google will take it as duplicate content. However when I ...
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Redirection based on user's location

I'm about to redirect my French users from mysite.com to mysite.fr. Is it possible using DNS CNAME records or should I write some GEOLocation codes to do that? I will appreciate any other ideas. ...
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Tumblr custom subdomain stoped working

I have added my custom .tk subdomain to Tumblr. My DNS setup for this domain looks like this: A - mydomain.tk - xx.xxx.xxx.xxx ; MX - mydomain.tk - xxxxxx.pamx1.hotmail.com ; ...
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Forwarding non-www domain to other domain using DNS

Is it possible to forward firstdomain.com to www.seconddomain.com or seconddomain.com using purely DNS records? I know how to forward www.firstdomain.com to seconddomain.com (using a CNAME). What I ...
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How does pointing a domain via a CNAME record affect the SEO?

We are contemplating pointed secondary domains to a primary domain via CName records to keep things simple for our customers but we are concerned that this will negatively affect SEO. How does ...