In message <1372206137.34187.yahoomail...@web161406.mail.bf1.yahoo.com>, RYAN C HERVENKA writes: > > I currently have a domain example.com authoritative on my Ubuntu server > and it is delegating gslb.example.com to my load balancer. > > www.example.com is a CNAME for www.gslb.example.com > Gslb.example.com has an NS record pointing to the LB > > Client sends query for www.example.com to Ubuntu DNS server. The Ubuntu > DNS server sends a query to the load balancer for www.gslb.example.com > and the LB responds to the Ubuntu DNS server with the right A record in > the answer section. However, the Ubuntu server responds to the client > with servfail. > > When I look at the pcap from the Ubuntu server, the LB is responding to > it with the correct IP but the dig response from the Ubuntu server to the > client shows "no servers could be reached" when I dig against the Ubuntu. > I also see the same message in the dns response in the pcap (obviously). > > Ryans-MacBook-Pro:~ ryanc$ dig @10.10.1.50 www.example.com <-me querying > the Ubuntu for www.example.com > > ; <<>> DiG 9.8.3-P1 <<>> @10.10.1.50 www.example.com > ; (1 server found) > ;; global options: +cmd > ;; connection timed out; no servers could be reached > > > Do you have any ideas as to why this is happening? > > Ryan Chervenka
Not without more details. -- 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