Re: Apparent BIND problem doing RBL lookups for Postfix

2010-04-16 Thread Barry Margolin
In article , "Nuno Paquete" wrote: > Greg, > > Usually we use forwarders so we don't always have to bother root > servers. You only bother the root servers when the TLD's NS records aren't in cache. Since these NS records have 2-day TTLs, you don't have to go to the root servers very often

RE: Apparent BIND problem doing RBL lookups for Postfix

2010-04-15 Thread Nuno Paquete
Hi, At the first sight it seems network problems, but when you restart bind, the problem goes away for a while. I suppose your dns server is resolving names for himself, try to put your ISP's dns servers on resolv.conf, perhaps it solve the problem. It could be a problem with your dns forwarders b

Re: Apparent BIND problem doing RBL lookups for Postfix

2010-04-15 Thread Fr34k
Hello, Looks like NXDOMAIN can be one of the responses. http://www.spamhaus.org/faq/answers.lasso?section=DNSBL%20Usage#252 That said, I think it is working correctly (a la "name=33.229.242.205.zen.spamhaus.org type=A: Host not found, try again"). However, perhaps tweak the number of que