Starting zone checks for co.de
Checking zone name
Resolving name-server address-> ns1.subdomain.com. 86400 IN A 78.46.103.217Checking existence of zone-> co.de. 43200 IN SOA ns1.subdomain.com. hostmaster.co.de. ( 1274443665 ; Serial 14400 ; Refresh 1800 ; Retry 604800 ; Expire 180 ) ; Minimum TTLChecking NS records-> co.de. 43200 IN NS ns2.subdomain.com. -> co.de. 43200 IN NS ns1.subdomain.com.Checking nameserver authority and synchronization-> ns1.subdomain.com. 86400 IN A 78.46.103.217 -> 217.103.46.78.in-addr.arpa. 86400 IN PTR ns1.subdomain.com.Probing name server ns1.subdomain.com (78.46.103.217)-> co.de. 43200 IN SOA ns1.subdomain.com. hostmaster.co.de. ( 1274443665 ; Serial 14400 ; Refresh 1800 ; Retry 604800 ; Expire 180 ) ; Minimum TTL -> co.de. 43200 IN NS ns2.subdomain.com. -> co.de. 43200 IN NS ns1.subdomain.com. -> ns2.subdomain.com. 86400 IN A 78.47.29.25 -> 25.29.47.78.in-addr.arpa. 86400 IN PTR ns2.subdomain.com.Probing name server ns2.subdomain.com (78.47.29.25)-> co.de. 43200 IN SOA ns1.subdomain.com. hostmaster.co.de. ( 1274443665 ; Serial 14400 ; Refresh 1800 ; Retry 604800 ; Expire 180 ) ; Minimum TTL -> co.de. 43200 IN NS ns2.subdomain.com. -> co.de. 43200 IN NS ns1.subdomain.com.Decided to use ns1.subdomain.com (78.46.103.217) for zone check
Checking whether ns1.subdomain.com knows an A record for its own name-> ns1.subdomain.com. 86400 IN A 78.46.103.217Checking whether ns1.subdomain.com is able to reverse-map its own IP address
Checking connectivity with other nameservers
### Warning: ns1.subdomain.com is unable to resolve www.ucw.cz (maybe it's non-recursive)
### Warning: ns1.subdomain.com is unable to resolve atrey.karlin.mff.cuni.cz (maybe it's non-recursive)
### Warning: ns1.subdomain.com is unable to resolve www.google.com (maybe it's non-recursive)
Checking mapping of localhost-> localhost. 604800 IN A 127.0.0.1 -> 1.0.0.127.in-addr.arpa. 604800 IN PTR localhost.Summary: 0 errors, 3 warnings