Starting zone checks for hotel-thueringer-wald.de
Checking zone name
Resolving name-server address-> ns55.1und1.de. 18119 IN A 195.20.224.156Checking existence of zone-> hotel-thueringer-wald.de. 86400 IN SOA ns55.1und1.de. hostmaster.1und1.de. ( 2007021801 ; Serial 28800 ; Refresh 7200 ; Retry 604800 ; Expire 86400 ) ; Minimum TTLChecking NS records-> hotel-thueringer-wald.de. 86400 IN NS ns55.1und1.de. -> hotel-thueringer-wald.de. 86400 IN NS ns56.1und1.de.Checking nameserver authority and synchronization-> ns55.1und1.de. 18119 IN A 195.20.224.156### Error: Unable to resolve 156.224.20.195.in-addr.arpa.: SERVFAIL
### Error: ns55.1und1.de (195.20.224.156) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns55.1und1.de (195.20.224.156)-> hotel-thueringer-wald.de. 86400 IN SOA ns55.1und1.de. hostmaster.1und1.de. ( 2007021801 ; Serial 28800 ; Refresh 7200 ; Retry 604800 ; Expire 86400 ) ; Minimum TTL -> hotel-thueringer-wald.de. 86400 IN NS ns55.1und1.de. -> hotel-thueringer-wald.de. 86400 IN NS ns56.1und1.de.### Error: Unable to resolve ns56.1und1.de: SERVFAIL
### Error: Nameserver ns56.1und1.de doesn't have any valid A records
Decided to use ns55.1und1.de (195.20.224.156) for zone check
Checking whether ns55.1und1.de knows an A record for its own name-> ns55.1und1.de. 18119 IN A 195.20.224.156Checking whether ns55.1und1.de is able to reverse-map its own IP address
Checking connectivity with other nameservers
### Error: Unable to resolve www.ucw.cz: SERVFAIL
### Warning: ns55.1und1.de is unable to resolve www.ucw.cz (maybe it's non-recursive)
### Error: Unable to resolve atrey.karlin.mff.cuni.cz: SERVFAIL
### Warning: ns55.1und1.de is unable to resolve atrey.karlin.mff.cuni.cz (maybe it's non-recursive)
### Error: Unable to resolve www.google.com: SERVFAIL
### Warning: ns55.1und1.de is unable to resolve www.google.com (maybe it's non-recursive)
Checking mapping of localhost
### Error: Unable to resolve localhost: SERVFAIL
### Warning: ns55.1und1.de 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 ns55.1und1.de doesn't work [see RFC1912:4.1 for details]
Fetching zone data for hotel-thueringer-wald.de
### Error: Zone transfer failed
### Fatal error: No name server available for checking