Starting zone checks for 1and1.fr
Checking zone name
Resolving name-server address-> nsa2.1and1.fr. 86400 IN A 195.20.244.5Checking existence of zone-> 1and1.fr. 86400 IN SOA nsa.schlund.de. hostmaster.schlund.de. ( 2012012706 ; Serial 10800 ; Refresh 3600 ; Retry 604800 ; Expire 86400 ) ; Minimum TTLChecking NS records-> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.biz. -> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.de. -> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.com. -> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.org.### Warning: Origin server nsa.schlund.de not listed in NS records
Checking nameserver authority and synchronization-> nsa2.1and1.fr. 86400 IN A 195.20.244.5 -> 5.244.20.195.in-addr.arpa. 86400 IN PTR nsa2.schlund.de. -> nsa2.schlund.de. 86400 IN A 195.20.244.5### Warning: 195.20.244.5 for nsa2.1and1.fr points back to nsa2.schlund.de [see RFC1912:2.1 for details]
Probing name server nsa2.1and1.fr (195.20.244.5)-> 1and1.fr. 86400 IN SOA nsa.schlund.de. hostmaster.schlund.de. ( 2012012706 ; Serial 10800 ; Refresh 3600 ; Retry 604800 ; Expire 86400 ) ; Minimum TTL -> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.biz. -> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.de. -> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.com. -> 1and1.fr. 86400 IN NS ns-1and1.ui-dns.org.### Error: Nameserver ns-1and1.ui-dns.org doesn't have any valid A records
### Error: Nameserver ns-1and1.ui-dns.com doesn't have any valid A records
### Error: Nameserver ns-1and1.ui-dns.de doesn't have any valid A records
### Error: Nameserver ns-1and1.ui-dns.biz doesn't have any valid A records
Decided to use nsa2.1and1.fr (195.20.244.5) for zone check
Checking whether nsa2.1and1.fr knows an A record for its own name-> nsa2.1and1.fr. 86400 IN A 195.20.244.5Checking whether nsa2.1and1.fr is able to reverse-map its own IP address
Checking connectivity with other nameservers
### Warning: nsa2.1and1.fr is unable to resolve www.ucw.cz (maybe it's non-recursive)
### Warning: nsa2.1and1.fr is unable to resolve atrey.karlin.mff.cuni.cz (maybe it's non-recursive)
### Warning: nsa2.1and1.fr is unable to resolve www.ibiblio.org (maybe it's non-recursive)
Checking mapping of localhost
### Warning: nsa2.1and1.fr is unable to resolve localhost [see RFC1912:4.1 for details]
### Warning: Reverse mapping of 127.0.0.1 at nsa2.1and1.fr doesn't work [see RFC1912:4.1 for details]
Checking consistency of zone records
Summary: 4 errors, 7 warnings