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Yes I understand. But basically if I disable recursive my internal network its not ably to use my dns as a dns server. If I enable recursive my internal network is able to resolve names with my dns but the rest of the world cannot check my reverse zones(PTR). So, I have to allow query "any"...

Hi my friend. Still the same. Inside de network I am able to do that, but outside the network the response is REFUSED. My doubt is if the others mail servers will be able to do recursive ptr to the mail servers inside my network.

Didnt work, am I doing the wrong test? root@xxx# nslookup x.x.x.x (reverse ip) x.x.x.x (server ip) ** server can't find x.x.x.x.in-addr.arpa: REFUSED it only works when I put allow-query { any; };

Hi everyone, I have a question about how secury my reverse bind/dns server. Today I have the following scenario: allow-transfer { clients; }; allow-query { any; }; allow-query-cache { any;}; allow-recursion { clients; }; And with that my dns is...