Hi-- On Oct 17, 2011, at 3:37 PM, Karl Auer wrote: > To see it, do (for example): > > dig+trace biplane.com.au ns > > Some such queries return correctly, some end up in a BHR loop.
I don't see a "bad horizontal referral" being returned anywhere, but I do get errors against ppsdns6.pps.com.au since that appears to be an IPv6 only nameserver: % dig +trace biplane.com.au ns ; <<>> DiG 9.6.0-APPLE-P2 <<>> +trace biplane.com.au ns ;; global options: +cmd [ ... ] ;; Received 412 bytes from 58.65.253.73#53(b.au) in 89 ms biplane.com.au. 14400 IN NS ppsdns6.pps.com.au. biplane.com.au. 14400 IN NS ppsdns2.pps.com.au. biplane.com.au. 14400 IN NS ppsdns1.pps.com.au. biplane.com.au. 14400 IN NS ppsdns4.pps.com.au. ;; Received 184 bytes from 69.36.146.34#53(o.au) in 108 ms dig: couldn't get address for 'ppsdns6.pps.com.au': not found I don't believe the world is ready for IPv6-only nameservers, but YMMV: http://www.dnsvalidation.com/reports/4e9cb0d37d79ee5fbe000008 Regards, -- -Chuck _______________________________________________ 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