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gethostbyaddress vs $_SERVER['remote_host']

Hi everyone,
i would like to know if there is a difference between gethostbyaddress
method and $_SERVER['remote_host'].
furthermore i hve a little problem using ip address resolution. Some ip

address are resolved other not. Why?
Tnx, bye

Jul 21 '05 #1
1 5105
For the second question - IP addresses that don't have reverse dns
entries, cannot be resolved.

Jul 21 '05 #2

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