In article <gq155c$1n3...@sf1.isc.org>, Ronan Flood <use...@umbral.org.uk> wrote:
> Barry Margolin <bar...@alum.mit.edu> wrote: > > > This suggests one of the following problems: > > > > 1. 95.102.17.107 is pointing to your nameserver in its resolver > > configuration, but your server doesn't allow them to use you as a > > resolver (the IP isn't in your allow-recursion and allow-query-cache > > ACL). > > > > 2. The plus.com zone is delegated to your server, but you're not > > properly configured to serve it. > > 3. Incorrect behaviour by the resolver behind 95.102.17.107. > > I admin an authoritative nameserver which hosts domains with MX records > outside the zones: commercial spam/virus-filtering companies providing > the MXs for their mail customers which are our DNS-hosting customers. > I regularly see queries for the MX records of the hosted domains being > immediately followed by queries for the A records for their out-of-zone > MX servers. I infer confusion within the resolvers about which > nameservers to query. Could it be the built-in resolver in spamming software? The OP sent me a private email with a bunch of these lines, with different IPs. They were from Russia, Italy, and Ukraine. -- Barry Margolin, bar...@alum.mit.edu Arlington, MA *** PLEASE don't copy me on replies, I'll read them in the group *** _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users