Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a06:e881:650f::'
+377
ERRNo PTR record availible DNS server 'ns2.inwx.de' 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.f.0.5.6.1.8.8.e.6.0.a.2.ip6.arpa'.