/ Alex wrote on Thu 1.Nov'12 at 9:03:00 -0400 / > Hi, > > >> I have a fc15 server with postfix-2.8.10 and have enabled postscreen. > >> I've enabled it before without any difficulty, so I'm not sure what > >> I'm doing wrong in this case. For some reason it is printing these > >> errors periodically: > >> > >> Oct 31 23:41:15 portal postfix/dnsblog[1520]: warning: dnsblog_query: > >> lookup error for DNS query 23.49.18.189.zen.spamhaus.org: Host or > >> domain name not found. Name service error for > >> name=23.49.18.189.zen.spamhaus.org type=A: Host not found, try again > > > > cat /etc/resolv.conf > > postfix check > > > > what's the output of those? > > It's set up to use the local caching server, and doesn't otherwise > have any resolution issues. Even when I try to resolve that host using > 8.8.4.4, it returns NXDOMAIN. I've changed resolv.conf to use 8.8.4.4 > and it returns the same result: > > Nov 1 08:54:46 portal postfix/dnsblog[18803]: warning: dnsblog_query: > lookup error for DNS query 7.39.158.213.zen.spamhaus.org: Host or > domain name not found. Name service error for > name=7.39.158.213.zen.spamhaus.org type=A: Host not found, try again > > # host 7.39.158.213.zen.spamhaus.org 8.8.4.4 > Using domain server: > Name: 8.8.4.4 > Address: 8.8.4.4#53 > Aliases: > > 7.39.158.213.zen.spamhaus.org has address 127.0.0.4 > Host 7.39.158.213.zen.spamhaus.org not found: 3(NXDOMAIN) > Host 7.39.158.213.zen.spamhaus.org not found: 3(NXDOMAIN) > > It seems like it may always been an issue with spamhaus. Perhaps I > have that configuration wrong? dnsblog seems to do fine with > barracuda: > > Nov 1 08:54:51 portal postfix/dnsblog[19203]: addr 85.59.175.220 > listed by domain b.barracudacentral.org as 127.0.0.2 > > > Thanks again, > Alex
For what it's worth, I've been seeing the same problem on my Mac server; that is, zen.spamhaus.org not resolving.
