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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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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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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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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Domain mapping issues

I have two domain names - .com & .co.uk bought with 123-reg and just one student Windows hosting pack associated with the .co.uk domain. The .com domain is the main one which people would be ...
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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 ...