Hello Dotan,
Tue, 5 Oct 2010 20:20:02 +0200 Dotan Cohen wrote: >> Can you successfuly telnet port 53 from an external host? > > Yes, but it's only a connection. I don't see any output. That' me > typing "helo": > > $ telnet 178.63.65.136 53 > Trying 178.63.65.136... > Connected to 178.63.65.136. > Escape character is '^]'. > helo > USER test > ^C^C > Connection closed by foreign host. The DNS protocol has no human-readable verbs. The fact that you can connect to the port 53 from the external location indicates that the TCP connections aren't blocked. But DNS uses TCP only in a limited number of cases - most time the UDP protocol is being used for queries. So you must verify that you _can_ query your server for something like this: dig @server-name-or-ip example.de. soa +norec -- Yours sincerely, Andrey G. Sergeev (AKA Andris) http://www.andris.name/ _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
