On Sat, 2008-11-22 at 01:04 +0100, Benny Pedersen wrote: > On Sat, November 22, 2008 00:31, Daniel J McDonald wrote: > > > 74/8 was removed from the Bogon list in 2005, but maybe the recipient > > hasn't updated their bogon acl in bind... > > rdns have nothing to do with rbl
But many people hard-code bogons into bind, and if they are clueless admins they don't update it... The bogon list is published at http://www.cymru.com/Documents/bogon-list.html The question is - what piece of gear inserted the header (from the small snippet we have seen, we don't know). Since this is someone from intersessions.com posting, my guess would be that he got a False positive spam report from someone, and they handed the headers they generated, and he's trying to figure out why it's unknown. If the other guys have their dns messed up because they haven't cleaned out bogons in 4 years, then it would show up as unknown. There have been some fairly major distros that were distributing stale bogon lists in the bind package. Mandriva, as an example, had a 6-year-old bogon list in their bind package until I opened a bug a year ago (and they tried to close it as a WON'TFIX, but cooler heads prevailed after a bit of thought...) > -- Daniel J McDonald, CCIE #2495, CISSP #78281, CNX Austin Energy http://www.austinenergy.com
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