Thank you so much for your immediate answer, I wanted know how did you check as 212.93.192.4 configured only on UDP?
-----Original Message----- From: Mark Andrews [mailto:ma...@isc.org] Sent: Thursday, May 8, 2014 10:33 AM To: Mohammed Ejaz Cc: bind-us...@isc.org Subject: Re: No-Sync-at-Slave In message <003c01cf6a8d$3a0a72d0$ae1f5870$@cyberia.net.sa>, "Mohammed Ejaz" wr ites: > > > I have a primary and secondary name server which host a number of domains. > Recently, the secondary has started failing to sync one of the > domains, and comes up with the following Assuming the IP addresses is correct something is filtering the TCP connections. DNS uses *both* TCP and UDP. It is a myth that TCP is only used for zone transfers. Properly configured nameservers answer on both TCP and UDP. 212.93.192.4 only answers on UDP. > May 7 22:51:12 ns2 named[1381]: [ID 873579 daemon.error] transfer of > 'domain.com/IN' from 212.93.192.4#53: failed to connect: timed out > > May 7 21:35:06 ns2 named[1381]: [ID 873579 daemon.error] transfer of > 'domain.com/IN' from 212.93.192.4#53: failed to connect: timed out > > May 7 21:43:31 ns2 named[1381]: [ID 873579 daemon.error] transfer of > 'domain.com/IN' from 212.93.192.4#53: failed to connect: timed out > > > > > > Any one's help would be highly appreciated thanks in advance. > > > > Regards > > Ejaz > -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org -- _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
