Starting zone checks for guo.info
Checking zone name
Resolving name-server address-> ns1.fastpark.net. 104 IN A 216.8.179.50Checking existence of zone-> guo.info. 10800 IN SOA ns1.fastpark.net. HOSTMASTER.FASTPARK.NET. ( 2010012000 ; Serial 10800 ; Refresh 1800 ; Retry 604800 ; Expire 10800 ) ; Minimum TTLChecking NS records-> guo.info. 300 IN NS ns1.fastpark.net. -> guo.info. 300 IN NS ns2.fastpark.net.Checking nameserver authority and synchronization-> ns1.fastpark.net. 104 IN A 216.8.179.50### Error: ns1.fastpark.net (216.8.179.50) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns1.fastpark.net (216.8.179.50)-> guo.info. 10800 IN SOA ns1.fastpark.net. HOSTMASTER.FASTPARK.NET. ( 2010012000 ; Serial 10800 ; Refresh 1800 ; Retry 604800 ; Expire 10800 ) ; Minimum TTL -> guo.info. 300 IN NS ns1.fastpark.net. -> guo.info. 300 IN NS ns2.fastpark.net. -> ns2.fastpark.net. 300 IN A 216.8.177.29### Error: ns2.fastpark.net (216.8.177.29) has no reverse record [see RFC1912:2.1 for details]
Probing name server ns2.fastpark.net (216.8.177.29)-> guo.info. 10800 IN SOA ns1.fastpark.net. HOSTMASTER.FASTPARK.NET. ( 2010012000 ; Serial 10800 ; Refresh 1800 ; Retry 604800 ; Expire 10800 ) ; Minimum TTL -> guo.info. 300 IN NS ns1.fastpark.net. -> guo.info. 300 IN NS ns2.fastpark.net.Decided to use ns1.fastpark.net (216.8.179.50) for zone check
Checking whether ns1.fastpark.net knows an A record for its own name-> ns1.fastpark.net. 104 IN A 216.8.179.50Checking whether ns1.fastpark.net is able to reverse-map its own IP address
Checking connectivity with other nameservers-> www.ucw.cz. 300 IN A 216.8.179.25### Error: www.ucw.cz (216.8.179.25) has no reverse record [see RFC1912:2.1 for details]-> atrey.karlin.mff.cuni.cz. 300 IN A 216.8.179.25 -> www.ibiblio.org. 300 IN A 216.8.179.25Checking mapping of localhost-> localhost. 300 IN A 216.8.179.25### Error: Invalid resource records for localhost at ns1.fastpark.net [see RFC1912:4.1 for details]
### Warning: Reverse mapping of 127.0.0.1 at ns1.fastpark.net doesn't work [see RFC1912:4.1 for details]
Checking consistency of zone records
Summary: 4 errors, 1 warnings