Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2605:5a80:c0a0::'
+208
ERRNo PTR record availible DNS server 'r.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.a.0.c.0.8.a.5.5.0.6.2.ip6.arpa'.