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Domain on IP used as private nameserver for another domain

Is it safe?

     

GreenLeaf

5:28 pm on Sep 23, 2005 (gmt 0)

10+ Year Member



Is it safe to set up domains on the same IP that is used as private nameserver for another domain?
Possible drawbacks?
Thanks in advance.

Webwork

7:42 pm on Sep 23, 2005 (gmt 0)

WebmasterWorld Administrator webwork is a WebmasterWorld Top Contributor of All Time 10+ Year Member



"Safe" is a hard one to answer. ;)

Safe from what?

DDOS? Blacklisting by spam monitors? Bad neighborhood issues?

The only "safe" approach to IP addressing that I can conceive of is to have lots of them on different blocks, but if you're geotargeting that could be a problem in some cases.

Plus there's all the other factors that SEs look at, like WhoIs info (or absence thereof), creation dates, same registar for domains of X date, interlinking, . . . down to rat-out reports from competitors in your favorite SERPs.

GreenLeaf

7:12 pm on Sep 24, 2005 (gmt 0)

10+ Year Member



Thanks for your suggestions, Webwork.

I've heard that if i put a site A on the IP which is used for ns1.maindomain.com then going to ns1.maindomain.com would show that site A too.
Can this hurt site A? Can this trigger some duplicate content penalty?

Webwork

9:37 pm on Sep 24, 2005 (gmt 0)

WebmasterWorld Administrator webwork is a WebmasterWorld Top Contributor of All Time 10+ Year Member



This outcome would likely require a combination of webserver settings plus DNS settings. In other words, if the webserver was configured to serve a default website and the webserver using a shared IP address was not properly configured to serve the "other site" then the webserver might serve the default site if someone typed in the "other site".

"Host headers" is a topic you might explore if it's an IIS server.

As to duplicate penalties few can say exactly how a specific outcome will be processed, even with a lot more detail than you should care to post here (forgetting for the moment that it's against the TOS and Charter).

 

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