[Pdns-users] Dig: zone queries are not answered without the ANY flag

[Eric Beck]

Try putting an A record for the domain there. If you read the man page
for dig,

type
           indicates what type of query is required — ANY, A, MX, SIG,
etc.  type can be any valid query type. If no type argument is supplied,
dig will perform a lookup for an A record.

by default dig is looking for an A record, and returns none, correctly,
therefore, since there is no A record, no NS entries are provided, just
the SOA.

..... I think.

Eric


On 12/14/2017 4:04 PM, Nikolaos Milas wrote:
> On 14/12/2017 10:11 μμ, Nikolaos Milas wrote:
> 
>> ...
>> So, I tried disabling recursion entirely and running the Authoritative
>> Server alone.
>>
>> However, the problem persists:
>> ...
> 
> In the meantime, I upgraded to Auth Server 4.1 (running standalone,
> without recursion on the same box), but the problem seems to continue:
> 
> # systemctl status pdns
> ● pdns.service - PowerDNS Authoritative Server
>    Loaded: loaded (/usr/lib/systemd/system/pdns.service; enabled; vendor
> preset: disabled)
>    Active: active (running) since Thu 2017-12-14 22:44:50 EET; 5s ago
>      Docs: man:pdns_server(1)
>            man:pdns_control(1)
>            https://doc.powerdns.com
>  Main PID: 21218 (pdns_server)
>    CGroup: /system.slice/pdns.service
>            └─21218 /usr/sbin/pdns_server --guardian=no --daemon=no
> --log-timestamp=no --write-pid=no
> 
> Dec 14 22:44:50 vdns.noa.gr pdns[21218]: About to create 3 backend
> threads for UDP
> Dec 14 22:44:50 vdns.noa.gr pdns_server[21218]: About to create 3
> backend threads for UDP
> Dec 14 22:44:50 vdns.noa.gr pdns[21218]: [LdapBackend] Ldap connection
> succeeded
> Dec 14 22:44:50 vdns.noa.gr pdns_server[21218]: [LdapBackend] Ldap
> connection succeeded
> Dec 14 22:44:50 vdns.noa.gr pdns[21218]: [LdapBackend] Ldap connection
> succeeded
> Dec 14 22:44:50 vdns.noa.gr pdns_server[21218]: [LdapBackend] Ldap
> connection succeeded
> Dec 14 22:44:50 vdns.noa.gr pdns[21218]: [LdapBackend] Ldap connection
> succeeded
> Dec 14 22:44:50 vdns.noa.gr pdns_server[21218]: [LdapBackend] Ldap
> connection succeeded
> Dec 14 22:44:50 vdns.noa.gr pdns[21218]: Done launching threads, ready
> to distribute questions
> Dec 14 22:44:50 vdns.noa.gr pdns_server[21218]: Done launching threads,
> ready to distribute questions
> 
> # pdnsutil check-zone noa.gr
> Dec 14 22:45:06 Reading random entropy from '/dev/urandom'
> Dec 14 22:45:06 [LdapBackend] Ldap connection succeeded
> Dec 14 22:45:06 [LdapBackend] Ldap connection succeeded
> Dec 14 22:45:06 [bind-bkend2backend] Parsing 1 domain(s), will report
> when done
> Dec 14 22:45:06 [bind-bkend2backend] Done parsing domains, 0 rejected, 1
> new, 0 removed
> [Error] No NS record at zone apex in zone 'noa.gr'
> Checked 1 records of 'noa.gr', 1 errors, 0 warnings.
> 
> # less /var/log/pdns.log
> ...
> Dec 14 22:44:50 vdns pdns[21218]: Reading random entropy from
> '/dev/urandom'
> Dec 14 22:44:50 vdns pdns[21218]: Loading
> '/usr/lib64/pdns/libldapbackend.so'
> Dec 14 22:44:50 vdns pdns[21218]: Loading
> '/usr/lib64/pdns/libbindbackend.so'
> Dec 14 22:44:50 vdns pdns[21218]: This is a standalone pdns
> Dec 14 22:44:50 vdns pdns[21218]: Listening on controlsocket in
> '/var/run/pdns.controlsocket'
> Dec 14 22:44:50 vdns pdns[21218]: UDP server bound to 127.0.0.1:53
> Dec 14 22:44:50 vdns pdns[21218]: UDP server bound to 194.177.195.162:53
> Dec 14 22:44:50 vdns pdns[21218]: UDPv6 server bound to [::1]:53
> Dec 14 22:44:50 vdns pdns[21218]: UDPv6 server bound to
> [2001:648:2011:15::162]:53
> Dec 14 22:44:50 vdns pdns[21218]: TCP server bound to 127.0.0.1:53
> Dec 14 22:44:50 vdns pdns[21218]: TCP server bound to 194.177.195.162:53
> Dec 14 22:44:50 vdns pdns[21218]: TCPv6 server bound to [::1]:53
> Dec 14 22:44:50 vdns pdns[21218]: TCPv6 server bound to
> [2001:648:2011:15::162]:53
> Dec 14 22:44:50 vdns pdns[21218]: PowerDNS Authoritative Server 4.1.0
> (C) 2001-2017 PowerDNS.COM BV
> Dec 14 22:44:50 vdns pdns[21218]: Using 64-bits mode. Built using gcc
> 4.8.5 20150623 (Red Hat 4.8.5-11) on Nov 30 2017 10:19:16 by
> buildbot at f7be231fe43f.
> Dec 14 22:44:50 vdns pdns[21218]: PowerDNS comes with ABSOLUTELY NO
> WARRANTY. This is free software, and you are welcome to redistribute it
> according to the terms of the GPL version 2.
> Dec 14 22:44:50 vdns pdns[21218]: Listening for HTTP requests on
> 194.177.195.162:8081
> Dec 14 22:44:50 vdns pdns[21218]: Polled security status of version
> 4.1.0 at startup, no known issues reported: OK
> Dec 14 22:44:50 vdns pdns[21218]: Creating backend connection for TCP
> Dec 14 22:44:50 vdns pdns[21218]: [LdapBackend] Ldap connection succeeded
> Dec 14 22:44:50 vdns pdns[21218]: [bind-bkend2backend] Parsing 1
> domain(s), will report when done
> Dec 14 22:44:50 vdns pdns[21218]: [bind-bkend2backend] Done parsing
> domains, 0 rejected, 1 new, 0 removed
> Dec 14 22:44:50 vdns pdns[21218]: About to create 3 backend threads for UDP
> Dec 14 22:44:50 vdns pdns[21218]: [LdapBackend] Ldap connection succeeded
> Dec 14 22:44:50 vdns pdns[21218]: [LdapBackend] Ldap connection succeeded
> Dec 14 22:44:50 vdns pdns[21218]: [LdapBackend] Ldap connection succeeded
> Dec 14 22:44:50 vdns pdns[21218]: Done launching threads, ready to
> distribute questions
> ...
> 
> I don't understand what is happening.
> 
> *Why do I get the zone error?* Can you please shed some light on it?
> 
> Thanks,
> Nick
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