Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a13:85c0:20::'
+205
ERRNo PTR record availible DNS server 'rirns.arin.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.0.c.5.8.3.1.a.2.ip6.arpa'.