Starting zone checks for xdm.org
Checking zone name
Resolving name-server address-> ns2.above.com. 3251 IN A 69.43.161.19Checking existence of zone-> xdm.org. 60 IN SOA ns1.above.com. hostmaster.trellian.com. ( 2011102801 ; Serial 10800 ; Refresh 3600 ; Retry 604800 ; Expire 3600 ) ; Minimum TTLChecking NS records-> xdm.org. 86400 IN NS ns2.above.com. -> xdm.org. 86400 IN NS ns1.above.com.Checking nameserver authority and synchronization-> ns2.above.com. 3251 IN A 69.43.161.19### Error: ns2.above.com (69.43.161.19) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns2.above.com (69.43.161.19)-> xdm.org. 60 IN SOA ns1.above.com. hostmaster.trellian.com. ( 2011102801 ; Serial 10800 ; Refresh 3600 ; Retry 604800 ; Expire 3600 ) ; Minimum TTL -> xdm.org. 86400 IN NS ns2.above.com. -> xdm.org. 86400 IN NS ns1.above.com. -> ns1.above.com. 3600 IN A 69.43.160.19### Error: ns1.above.com (69.43.160.19) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns1.above.com (69.43.160.19)-> xdm.org. 60 IN SOA ns1.above.com. hostmaster.trellian.com. ( 2011102801 ; Serial 10800 ; Refresh 3600 ; Retry 604800 ; Expire 3600 ) ; Minimum TTL -> xdm.org. 86400 IN NS ns2.above.com. -> xdm.org. 86400 IN NS ns1.above.com.Decided to use ns2.above.com (69.43.161.19) for zone check
Checking whether ns2.above.com knows an A record for its own name-> ns2.above.com. 3251 IN A 69.43.161.19Checking whether ns2.above.com is able to reverse-map its own IP address
Checking connectivity with other nameservers-> www.ucw.cz. 3600 IN A 69.43.161.166### Error: www.ucw.cz (69.43.161.166) has no reverse record [see RFC1912:2.1 for details]-> atrey.karlin.mff.cuni.cz. 3600 IN A 69.43.161.153### Error: atrey.karlin.mff.cuni.cz (69.43.161.153) has no reverse record [see RFC1912:2.1 for details]-> www.ibiblio.org. 3600 IN A 69.43.161.155### Error: www.ibiblio.org (69.43.161.155) has no reverse record [see RFC1912:2.1 for details]
Checking mapping of localhost
### Error: Unable to resolve localhost: SERVFAIL
### Warning: ns2.above.com is unable to resolve localhost [see RFC1912:4.1 for details]
### Warning: Reverse mapping of 127.0.0.1 at ns2.above.com doesn't work [see RFC1912:4.1 for details]
Checking consistency of zone records
Summary: 6 errors, 2 warnings