* Matteo Cazzador <mat...@netlite.it>: > > IP = 212.91.92.247 $ host 212.91.92.247 247.92.91.212.in-addr.arpa domain name pointer host-247-92.91-212.enter.it.
$ host host-247-92.91-212.enter.it Host host-247-92.91-212.enter.it not found: 3(NXDOMAIN) FAIL > hostname mail.brunosrl.net $ host mail.brunosrl.net mail.brunosrl.net has address 212.91.92.247 $ host 212.91.92.247 247.92.91.212.in-addr.arpa domain name pointer host-247-92.91-212.enter.it. mail.brunosrl.net != host-247-92.91-212.enter.it thus it's considered "Unknown". Solution: Make sure 212.91.92.247 resolves to mail.brunosrl.net instead of host-247-92.91-212.enter.it -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebra...@charite.de | http://www.charite.de
