Non-authoritative answer and NXDOMAIN Error on nslookup

Hi

Code:

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nslookup website.com

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Code:

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nslookup ns1.website.com

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Both gives me the following error.

Code:

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Non-authoritative answer

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Code:

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nslookup ip.address

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This one gives me

Code:

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** server can't find xx.xx.xx.xx.in-addr.arpa.: NXDOMAIN

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How do i fix those errors.
Centos 6 64bit with bind 9

Quote:

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Originally Posted by agriz

Code:

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nslookup website.com

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Non-authorative are answers that came from a naming service that is NOT responsible for the domain "website.com". This implies that it may be not accurate, out of date or worse. But they are generally fine since they are used to speed up ns resolutions. A possible threat is "DNS cache poisoning". You can look that up for reference and more information.

Quote:

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Originally Posted by agriz

Code:

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nslookup ip.address

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NXDOMAIN := non existent domain

Does this answer your questions?