Starting zone checks for y.nu
Checking zone name
Resolving name-server address-> ns1.ray.net. 3600 IN A 194.126.159.20Checking existence of zone-> y.nu. 21600 IN SOA name.muenchen.roses.de. ray.ray.net. ( 2010060102 ; Serial 21600 ; Refresh 3600 ; Retry 1209600 ; Expire 21600 ) ; Minimum TTLChecking NS records-> y.nu. 21600 IN NS ns1.ray.net. -> y.nu. 21600 IN NS name.hamburg.roses.de. -> y.nu. 21600 IN NS name.muenchen.roses.de.Checking nameserver authority and synchronization-> ns1.ray.net. 3600 IN A 194.126.159.20 -> 20.159.126.194.in-addr.arpa. 259200 IN PTR ns1.gcsc2.ray.net. -> ns1.gcsc2.ray.net. 3600 IN A 194.126.159.20### Warning: 194.126.159.20 for ns1.ray.net points back to ns1.gcsc2.ray.net [see RFC1912:2.1 for details]
Probing name server ns1.ray.net (194.126.159.20)-> y.nu. 21600 IN SOA name.muenchen.roses.de. ray.ray.net. ( 2010060102 ; Serial 21600 ; Refresh 3600 ; Retry 1209600 ; Expire 21600 ) ; Minimum TTL -> y.nu. 21600 IN NS ns1.ray.net. -> y.nu. 21600 IN NS name.hamburg.roses.de. -> y.nu. 21600 IN NS name.muenchen.roses.de. -> name.hamburg.roses.de. 3600 IN A 194.126.159.21 -> 21.159.126.194.in-addr.arpa. 259200 IN PTR ns2.gcsc2.ray.net.### Error: name.hamburg.roses.de maps to ns2.gcsc2.ray.net which doesn't point back [see RFC1912:2.1 for details]
Probing name server name.hamburg.roses.de (194.126.159.21)-> y.nu. 21600 IN SOA name.muenchen.roses.de. ray.ray.net. ( 2010060102 ; Serial 21600 ; Refresh 3600 ; Retry 1209600 ; Expire 21600 ) ; Minimum TTL -> y.nu. 21600 IN NS ns1.ray.net. -> y.nu. 21600 IN NS name.hamburg.roses.de. -> y.nu. 21600 IN NS name.muenchen.roses.de. -> name.muenchen.roses.de. 3600 IN A 194.126.159.20Probing name server name.muenchen.roses.de (194.126.159.20)-> y.nu. 21600 IN SOA name.muenchen.roses.de. ray.ray.net. ( 2010060102 ; Serial 21600 ; Refresh 3600 ; Retry 1209600 ; Expire 21600 ) ; Minimum TTL -> y.nu. 21600 IN NS ns1.ray.net. -> y.nu. 21600 IN NS name.hamburg.roses.de. -> y.nu. 21600 IN NS name.muenchen.roses.de.Decided to use ns1.ray.net (194.126.159.20) for zone check
Checking whether ns1.ray.net knows an A record for its own name-> ns1.ray.net. 3600 IN A 194.126.159.20Checking whether ns1.ray.net is able to reverse-map its own IP address
Checking connectivity with other nameservers-> www.ucw.cz. 86400 IN CNAME jabberwock.ucw.cz. -> jabberwock.ucw.cz. 86400 IN A 89.250.246.4 -> atrey.karlin.mff.cuni.cz. 86400 IN A 195.113.26.193 -> www.google.com. 406094 IN CNAME www.l.google.com. -> www.l.google.com. 300 IN A 66.102.9.105 -> www.l.google.com. 300 IN A 66.102.9.106 -> www.l.google.com. 300 IN A 66.102.9.147 -> www.l.google.com. 300 IN A 66.102.9.99 -> www.l.google.com. 300 IN A 66.102.9.103 -> www.l.google.com. 300 IN A 66.102.9.104Checking mapping of localhost-> localhost. 86400 IN A 127.0.0.1### Warning: Reverse mapping of 127.0.0.1 at ns1.ray.net doesn't work [see RFC1912:4.1 for details]
Summary: 1 errors, 2 warnings