Windows 2008 R2 DNS Setting

I just wanted to verify my settings on my domain controllers.
I have 2 DCs. Each obviously runs AD/DNS

On each server i bascially have the manual DNS settings to point to its own ip like 192.168.1.1 and thats it.
Should i put in the other server as the secondary IP on each?
Also the microsoft best analyzer gives me the idea that it rather see 127.0.0.1 instead of the real IP, is that right?

Thanks!
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valmaticAsked:
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Neil RussellTechnical Development LeadCommented:
put 127.0.0.1 and the IP of your other DC in yes.
DO NOT put any NON DC addresses.
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valmaticAuthor Commented:
so i will put 127.0.0.1 first instead of my real ip 192.168.20.100
and then add the other dc/dns server of 192.168.20.101
??
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Walter PadrónCommented:
Yes, you should point to the other server as your secondary DNS server.

Yes, you should use 127.0.0.1 instead of the IP address, the reason behind that is in case you start the server without network connection then the server couldn't access the DNS service because the network interface is down and AD and other services that depends on DNS delay to start. With a localhost (loopback) interface 127.0.0.1 this doesn't happen because the interface is always up.

Best regards
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Windows Server 2008

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