adns warning error

[Peter Václavek]

Hi!
Im trying to execute this simple code:

import adns

s=adns.init() 

print s.synchronous('teacher.sk',adns.rr.NS)

but in my terminal I get:
adns warning: datagram received from unknown nameserver 195.146.128.62
adns warning: datagram received from unknown nameserver 195.146.128.62
adns warning: datagram received from unknown nameserver 195.146.132.58

This occurs when Im trying to get NS or MX records. A record is properly obtained.

What Im doing wrong?

[Andy Dustman]

Probably nothing. The adns library itself is returning this warning. I suspect it's because a nameserver other than the one that was query responded to your request. Perhaps the nameserver has multiple IP addresses? Or worse, there could be a rogue nameserver in your network (though they'd probably be smart enough to spoof the right source address). Any chance you are UDP broadcasting DNS queries? I'd recommend using a packet sniffer (tcpdump or wireshark) to see what is happening.