Starting zone checks for pnb.nl
Checking zone name
Resolving name-server address-> ns3.pna-group.nl. 3600 IN A 212.67.169.50Checking existence of zone-> pnb.nl. 3600 IN SOA ns1.pna-group.nl. systeembeheer.pna-group.nl. ( 2007020129 ; Serial 14400 ; Refresh 1800 ; Retry 604800 ; Expire 3600 ) ; Minimum TTLChecking NS records-> pnb.nl. 3600 IN NS ns3.pna-group.nl. -> pnb.nl. 3600 IN NS ns1.pna-group.nl. -> pnb.nl. 3600 IN NS ns2.pna-group.nl.Checking nameserver authority and synchronization-> ns3.pna-group.nl. 3600 IN A 212.67.169.50### Error: Unable to resolve 50.169.67.212.in-addr.arpa.: SERVFAIL
### Error: ns3.pna-group.nl (212.67.169.50) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns3.pna-group.nl (212.67.169.50)-> pnb.nl. 3600 IN SOA ns1.pna-group.nl. systeembeheer.pna-group.nl. ( 2007020129 ; Serial 14400 ; Refresh 1800 ; Retry 604800 ; Expire 3600 ) ; Minimum TTL -> pnb.nl. 3600 IN NS ns3.pna-group.nl. -> pnb.nl. 3600 IN NS ns1.pna-group.nl. -> pnb.nl. 3600 IN NS ns2.pna-group.nl. -> ns2.pna-group.nl. 3600 IN A 212.178.158.184### Error: Unable to resolve 184.158.178.212.in-addr.arpa.: SERVFAIL
### Error: ns2.pna-group.nl (212.178.158.184) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns2.pna-group.nl (212.178.158.184)-> pnb.nl. 3600 IN SOA ns1.pna-group.nl. systeembeheer.pna-group.nl. ( 2007020129 ; Serial 14400 ; Refresh 1800 ; Retry 604800 ; Expire 3600 ) ; Minimum TTL -> pnb.nl. 3600 IN NS ns3.pna-group.nl. -> pnb.nl. 3600 IN NS ns1.pna-group.nl. -> pnb.nl. 3600 IN NS ns2.pna-group.nl. -> ns1.pna-group.nl. 3600 IN A 212.178.158.152### Error: Unable to resolve 152.158.178.212.in-addr.arpa.: SERVFAIL
### Error: ns1.pna-group.nl (212.178.158.152) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns1.pna-group.nl (212.178.158.152)-> pnb.nl. 3600 IN SOA ns1.pna-group.nl. systeembeheer.pna-group.nl. ( 2007020129 ; Serial 14400 ; Refresh 1800 ; Retry 604800 ; Expire 3600 ) ; Minimum TTL -> pnb.nl. 3600 IN NS ns3.pna-group.nl. -> pnb.nl. 3600 IN NS ns1.pna-group.nl. -> pnb.nl. 3600 IN NS ns2.pna-group.nl.Decided to use ns3.pna-group.nl (212.67.169.50) for zone check
Checking whether ns3.pna-group.nl knows an A record for its own name-> ns3.pna-group.nl. 3600 IN A 212.67.169.50Checking whether ns3.pna-group.nl is able to reverse-map its own IP address
Checking connectivity with other nameservers
### Error: Unable to resolve www.ucw.cz: SERVFAIL
### Warning: ns3.pna-group.nl is unable to resolve www.ucw.cz (maybe it's non-recursive)
### Error: Unable to resolve atrey.karlin.mff.cuni.cz: SERVFAIL
### Warning: ns3.pna-group.nl is unable to resolve atrey.karlin.mff.cuni.cz (maybe it's non-recursive)
### Error: Unable to resolve www.ibiblio.org: SERVFAIL
### Warning: ns3.pna-group.nl is unable to resolve www.ibiblio.org (maybe it's non-recursive)
Checking mapping of localhost
### Error: Answer is not authoritative-> localhost. 600 IN A 127.0.0.1 -> 1.0.0.127.in-addr.arpa. 3600 IN PTR localhost.Checking consistency of zone records
Summary: 10 errors, 3 warnings