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nslookup weird behavior
I accidentally found that "nslookup" works even if I specify a
non-existent dns server. For example "lookup www.kingoffighters.com 202.30.50.1" will return nothing for the first time but return correct result for the second. 202.30.50.1 is just a random typed address. Is this normal? full log: nslookup www.kingoffighters.com 202.30.50.1 DNS request timed out. timeout was 2 seconds. *** Can't find server name for address 202.30.50.1: Timed out Server: UnKnown Address: 202.30.50.1 DNS request timed out. timeout was 2 seconds. DNS request timed out. timeout was 2 seconds. *** Request to UnKnown timed-out nslookup www.kingoffighters.com 202.30.50.1 DNS request timed out. timeout was 2 seconds. *** Can't find server name for address 202.30.50.1: Timed out Server: UnKnown Address: 202.30.50.1 DNS request timed out. timeout was 2 seconds. Non-authoritative answer: Name: www.kingoffighters.com Address: 50.63.202.64 -- Regards, Lu Wei IM: PGP: 0xA12FEF7592CCE1EA |
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