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CaptainJSparrow · 2003-11-05, 11:34 AM

I'm seeing the www version and the non-www version having different page ranks on lots of my sites.

I've asked our new host about this and they said:

Normally, when we setup a site in DNS we set the domainname.com as an A record to the IP address. Then we setup www.domainname.com as a CNAME pointing to domainname.com. So, on the DNS server it would appear like
this:

Method A:
domainname.com A 12.345.678.90
www.domainname.com CNAME domainname.com

This essentially means that to a client (from a DNS standpoint),
domainname.com and www.domainname.com are the same site. However, this is how you currently have it setup (btw our tech did this):

Method B:
domainname.com A 12.345.678.90
www.domainname.com A 12.345.678.90

This could confuse google if they are using DNS alias information to determine if a www is an alias or a different site.

My question, which method is the correct way, which is better, or are they both the same.

I am concerned that with 1 of the above methods that googlebot may think that 1 site is actually 2 different sites and penalize either, or both, for having duplicate content.

Let's call the way that our new host recommends the sites be set up, Method A

and the way that our tech set them up Method B.

Does anyone know for sure which method is best?

2003-11-05, 11:34 AM	#1
CaptainJSparrow You can now put whatever you want in this space :) Join Date: Sep 2003 Location: Louisiana Posts: 511	DNS setup affecting page rank? I'm seeing the www version and the non-www version having different page ranks on lots of my sites. I've asked our new host about this and they said: Normally, when we setup a site in DNS we set the domainname.com as an A record to the IP address. Then we setup www.domainname.com as a CNAME pointing to domainname.com. So, on the DNS server it would appear like this: Method A: domainname.com A 12.345.678.90 www.domainname.com CNAME domainname.com This essentially means that to a client (from a DNS standpoint), domainname.com and www.domainname.com are the same site. However, this is how you currently have it setup (btw our tech did this): Method B: domainname.com A 12.345.678.90 www.domainname.com A 12.345.678.90 This could confuse google if they are using DNS alias information to determine if a www is an alias or a different site. My question, which method is the correct way, which is better, or are they both the same. I am concerned that with 1 of the above methods that googlebot may think that 1 site is actually 2 different sites and penalize either, or both, for having duplicate content. Let's call the way that our new host recommends the sites be set up, Method A and the way that our tech set them up Method B. Does anyone know for sure which method is best?