Re: resolution problem

2016-05-24 Thread Matus UHLAR - fantomas
In article , Matus UHLAR - fantomas wrote: often a problem of invalid NS delegation, or bad TTL (A record for a server expires before NS record). On 19.05.16 15:31, Sam Wilson wrote: Glue A records for the nameservers have 172800 TTL, authoritative A records have 1200. that's it! ;; ANSWER

Re: resolution problem

2016-05-24 Thread Thomas Schulz
colostate.edu. 172800 IN NS dns1.colostate.edu. colostate.edu. 172800 IN NS dns3.colostate.edu. ;; Received 119 bytes from 192.41.162.30#53(l.edu-servers.net) in 78 ms www.cloudsat.cira.colostate.edu. 3600 IN CNAME dpc.cira.colostate.edu

Re: resolution problem

2016-05-19 Thread Matus UHLAR - fantomas
>colostate.edu. 172800 IN NS dns1.colostate.edu. >colostate.edu. 172800 IN NS dns3.colostate.edu. >;; Received 119 bytes from 192.41.162.30#53(l.edu-servers.net) in 78 ms > >www.cloudsat.cira.colostate.edu. 3600 IN CNAME dpc.cira.colostate.edu. >dpc.cira.co

Re: resolution problem

2016-05-19 Thread Sam Wilson
In article , Matus UHLAR - fantomas wrote: > On 18.05.16 14:10, Con Wieland wrote: > >I am having an issue resolving www.cloudsat.cira.colostate.edu from 2 of my > > name servers. I have 2 others with identical configs that resolve > > correctly. A normal lookup shows a server fail but a +trac

Re: resolution problem

2016-05-19 Thread Phil Mayers
On 18/05/16 22:10, Con Wieland wrote: I am having an issue resolving www.cloudsat.cira.colostate.edu "rndc dumpdb" can be helpful in this case, IME. Dump the cache then inspect the records and parent delegations, see what bind thinks is in-cache when it's broken.

Re: resolution problem

2016-05-19 Thread Matus UHLAR - fantomas
On 18.05.16 14:10, Con Wieland wrote: I am having an issue resolving www.cloudsat.cira.colostate.edu from 2 of my name servers. I have 2 others with identical configs that resolve correctly. A normal lookup shows a server fail but a +trace looks ok. Any ideas how to better troubleshoot the iss