[Unbound-users] trouble resolving probsd.net

[Chris Smith]

Hello,

Strange problem resolving probsd.net.
Strange because it only happens with one of my networks.
Strange because it happens with unbound or dnscache (djbdns).
Strange because named (bind) can resolve it.

Log excerpt:
=============================================
Feb 23 11:58:54 davinci unbound: [29539:0] info: iterator operate:
query <probsd.net. A IN>
Feb 23 11:58:54 davinci unbound: [29539:0] info: resolving (init part
2):  <probsd.net. A IN>
Feb 23 11:58:54 davinci unbound: [29539:0] info: resolving (init part
3):  <probsd.net. A IN>
Feb 23 11:58:54 davinci unbound: [29539:0] info: processQueryTargets:
<probsd.net. A IN>
Feb 23 11:58:54 davinci unbound: [29539:0] info: sending query:
<probsd.net. A IN>
Feb 23 11:58:54 davinci unbound: [29539:0] debug: sending to target:
<.> 192.58.128.30#53
Feb 23 11:58:54 davinci unbound: [29539:0] debug: cache memory
msg=16965 rrset=20167 infra=1744 val=41392
Feb 23 11:58:55 davinci unbound: [29539:0] debug: iterator[module 1]
operate: extstate:module_wait_reply event:module_event_reply
Feb 23 11:58:55 davinci unbound: [29539:0] info: iterator operate:
query <probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: response for <probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: reply from <.> 192.58.128.30#53
Feb 23 11:58:55 davinci unbound: [29539:0] info: query response was REFERRAL
Feb 23 11:58:55 davinci unbound: [29539:0] info: processQueryTargets:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: sending query:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] debug: sending to target:
<net.> 192.31.80.30#53
Feb 23 11:58:55 davinci unbound: [29539:0] debug: cache memory
msg=16965 rrset=23000 infra=1960 val=41392
Feb 23 11:58:55 davinci unbound: [29539:0] debug: iterator[module 1]
operate: extstate:module_wait_reply event:module_event_reply
Feb 23 11:58:55 davinci unbound: [29539:0] info: iterator operate:
query <probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: response for <probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: reply from <net.>
192.31.80.30#53
Feb 23 11:58:55 davinci unbound: [29539:0] info: query response was REFERRAL
Feb 23 11:58:55 davinci unbound: [29539:0] info: processQueryTargets:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: sending query:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] debug: sending to target:
<probsd.net.> 66.93.16.172#53
Feb 23 11:58:55 davinci unbound: [29539:0] debug: cache memory
msg=16965 rrset=23652 infra=2176 val=41392
Feb 23 11:58:55 davinci unbound: [29539:0] debug: iterator[module 1]
operate: extstate:module_wait_reply event:module_event_noreply
Feb 23 11:58:55 davinci unbound: [29539:0] info: iterator operate:
query <probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: processQueryTargets:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: sending query:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] debug: sending to target:
<probsd.net.> 66.93.16.108#53
Feb 23 11:58:55 davinci unbound: [29539:0] debug: cache memory
msg=16965 rrset=23652 infra=2392 val=41392
Feb 23 11:58:55 davinci unbound: [29539:0] debug: iterator[module 1]
operate: extstate:module_wait_reply event:module_event_noreply
Feb 23 11:58:55 davinci unbound: [29539:0] info: iterator operate:
query <probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: processQueryTargets:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] info: sending query:
<probsd.net. A IN>
Feb 23 11:58:55 davinci unbound: [29539:0] debug: sending to target:
<probsd.net.> 74.95.103.85#53
Feb 23 11:58:55 davinci unbound: [29539:0] debug: cache memory
msg=16965 rrset=23652 infra=2608 val=41392
Feb 23 11:58:56 davinci unbound: [29539:0] debug: iterator[module 1]
operate: extstate:module_wait_reply event:module_event_noreply
Feb 23 11:58:56 davinci unbound: [29539:0] info: iterator operate:
query <probsd.net. A IN>
Feb 23 11:58:56 davinci unbound: [29539:0] info: processQueryTargets:
<probsd.net. A IN>
<snip>
Feb 23 11:59:13 davinci unbound: [29539:0] info: processQueryTargets:
<probsd.net. A IN>
Feb 23 11:59:13 davinci unbound: [29539:0] debug: out of query targets
-- returning SERVFAIL
Feb 23 11:59:13 davinci unbound: [29539:0] debug: return error response SERVFAIL
Feb 23 11:59:13 davinci unbound: [29539:0] debug: validator[module 0]
operate: extstate:module_wait_module event:module_event_moddone
Feb 23 11:59:13 davinci unbound: [29539:0] info: validator operate:
query <probsd.net. A IN>
Feb 23 11:59:13 davinci unbound: [29539:0] debug: cache memory
msg=17077 rrset=23652 infra=2608 val=41392
=============================================

Any clues?

Thanks.

Chris