Starting zone checks for mfa.tv
Checking zone name
Resolving name-server address-> h4.nstld.com. 133268 IN A 192.54.112.33Checking existence of zone-> mfa.tv. 86400 IN SOA a4.nstld.com. dnssupport.verisign-grs.com. ( 2197741272 ; Serial 28800 ; Refresh 7200 ; Retry 1209600 ; Expire 86400 ) ; Minimum TTLChecking NS records-> mfa.tv. 86400 IN NS f4.nstld.com. -> mfa.tv. 86400 IN NS l4.nstld.com. -> mfa.tv. 86400 IN NS k4.nstld.com. -> mfa.tv. 86400 IN NS a4.nstld.com. -> mfa.tv. 86400 IN NS j4.nstld.com. -> mfa.tv. 86400 IN NS g4.nstld.com. -> mfa.tv. 86400 IN NS h4.nstld.com.Checking nameserver authority and synchronization-> h4.nstld.com. 133268 IN A 192.54.112.33### Error: Unable to resolve 33.112.54.192.in-addr.arpa.: SERVFAIL
### Error: h4.nstld.com (192.54.112.33) has no reverse record [see RFC1912:2.1 for details]
Probing name server h4.nstld.com (192.54.112.33)-> mfa.tv. 86400 IN SOA a4.nstld.com. dnssupport.verisign-grs.com. ( 2197741272 ; Serial 28800 ; Refresh 7200 ; Retry 1209600 ; Expire 86400 ) ; Minimum TTL -> mfa.tv. 86400 IN NS f4.nstld.com. -> mfa.tv. 86400 IN NS l4.nstld.com. -> mfa.tv. 86400 IN NS k4.nstld.com. -> mfa.tv. 86400 IN NS a4.nstld.com. -> mfa.tv. 86400 IN NS j4.nstld.com. -> mfa.tv. 86400 IN NS g4.nstld.com. -> mfa.tv. 86400 IN NS h4.nstld.com.### Error: Unable to resolve a4.nstld.com: SERVFAIL
### Error: Nameserver a4.nstld.com doesn't have any valid A records
### Error: Unable to resolve f4.nstld.com: SERVFAIL
### Error: Nameserver f4.nstld.com doesn't have any valid A records
### Error: Unable to resolve l4.nstld.com: SERVFAIL
### Error: Nameserver l4.nstld.com doesn't have any valid A records
### Error: Unable to resolve j4.nstld.com: SERVFAIL
### Error: Nameserver j4.nstld.com doesn't have any valid A records
### Error: Unable to resolve k4.nstld.com: SERVFAIL
### Error: Nameserver k4.nstld.com doesn't have any valid A records
### Error: Unable to resolve g4.nstld.com: SERVFAIL
### Error: Nameserver g4.nstld.com doesn't have any valid A records
Decided to use h4.nstld.com (192.54.112.33) for zone check
Checking whether h4.nstld.com knows an A record for its own name-> h4.nstld.com. 133268 IN A 192.54.112.33Checking whether h4.nstld.com is able to reverse-map its own IP address
Checking connectivity with other nameservers
### Error: Unable to resolve www.ucw.cz: SERVFAIL
### Warning: h4.nstld.com is unable to resolve www.ucw.cz (maybe it's non-recursive)
### Error: Unable to resolve atrey.karlin.mff.cuni.cz: SERVFAIL
### Warning: h4.nstld.com is unable to resolve atrey.karlin.mff.cuni.cz (maybe it's non-recursive)
### Error: Unable to resolve www.ibiblio.org: SERVFAIL
### Warning: h4.nstld.com is unable to resolve www.ibiblio.org (maybe it's non-recursive)
Checking mapping of localhost
### Error: Unable to resolve localhost: SERVFAIL
### Warning: h4.nstld.com is unable to resolve localhost [see RFC1912:4.1 for details]
### Error: Unable to resolve 1.0.0.127.in-addr.arpa: SERVFAIL
### Warning: Reverse mapping of 127.0.0.1 at h4.nstld.com doesn't work [see RFC1912:4.1 for details]
Fetching zone data for mfa.tv
### Error: Zone transfer failed
### Fatal error: No name server available for checking