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Starting zone checks for blacklist.org

Checking zone name

Resolving name-server address
    -> ns51.domaincontrol.com.	6499	IN	A	216.69.185.26
Checking existence of zone
    -> blacklist.org.	3600	IN	SOA	ns51.domaincontrol.com. dns.jomax.net. (
					2010123100	; Serial
					28800	; Refresh
					7200	; Retry
					604800	; Expire
					3600 )	; Minimum TTL
Checking NS records
    -> blacklist.org.	3600	IN	NS	ns52.domaincontrol.com.
    -> blacklist.org.	3600	IN	NS	ns51.domaincontrol.com.
Checking nameserver authority and synchronization
    -> ns51.domaincontrol.com.	6499	IN	A	216.69.185.26
### Error: Unable to resolve 26.185.69.216.in-addr.arpa.: REFUSED

### Error: ns51.domaincontrol.com (216.69.185.26) has no reverse record  [see RFC1912:2.1 for details]

Probing name server ns51.domaincontrol.com (216.69.185.26)
    -> blacklist.org.	3600	IN	SOA	ns51.domaincontrol.com. dns.jomax.net. (
					2010123100	; Serial
					28800	; Refresh
					7200	; Retry
					604800	; Expire
					3600 )	; Minimum TTL
    -> blacklist.org.	3600	IN	NS	ns52.domaincontrol.com.
    -> blacklist.org.	3600	IN	NS	ns51.domaincontrol.com.
### Error: Unable to resolve ns52.domaincontrol.com: REFUSED

### Error: Nameserver ns52.domaincontrol.com doesn't have any valid A records

Decided to use ns51.domaincontrol.com (216.69.185.26) for zone check

Checking whether ns51.domaincontrol.com knows an A record for its own name
    -> ns51.domaincontrol.com.	6499	IN	A	216.69.185.26
Checking whether ns51.domaincontrol.com is able to reverse-map its own IP address

Checking connectivity with other nameservers

### Error: Unable to resolve www.ucw.cz: REFUSED

### Warning: ns51.domaincontrol.com is unable to resolve www.ucw.cz (maybe it's non-recursive)

### Error: Unable to resolve atrey.karlin.mff.cuni.cz: REFUSED

### Warning: ns51.domaincontrol.com is unable to resolve atrey.karlin.mff.cuni.cz (maybe it's non-recursive)

### Error: Unable to resolve www.ibiblio.org: REFUSED

### Warning: ns51.domaincontrol.com is unable to resolve www.ibiblio.org (maybe it's non-recursive)

Checking mapping of localhost

### Error: Unable to resolve localhost: REFUSED

### Warning: ns51.domaincontrol.com is unable to resolve localhost  [see RFC1912:4.1 for details]

### Error: Unable to resolve 1.0.0.127.in-addr.arpa: REFUSED

### Warning: Reverse mapping of 127.0.0.1 at ns51.domaincontrol.com doesn't work  [see RFC1912:4.1 for details]

Checking consistency of zone records

Summary: 9 errors, 5 warnings