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Domain on IP used as private nameserver for another domain
Is it safe?
GreenLeaf




msg:680264
 5:28 pm on Sep 23, 2005 (gmt 0)

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




msg:680265
 7:42 pm on Sep 23, 2005 (gmt 0)

"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




msg:680266
 7:12 pm on Sep 24, 2005 (gmt 0)

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




msg:680267
 9:37 pm on Sep 24, 2005 (gmt 0)

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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