Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a0f:9400:6150::'
+288
ERRNo PTR record availible DNS server 'pns43.cloudns.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.1.6.0.0.4.9.f.0.a.2.ip6.arpa'.