Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a0a:144:400::'
+177
ERRNo PTR record availible DNS server 'ns4.apnic.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.0.4.4.1.0.a.0.a.2.ip6.arpa'.