Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a03:2887:ff19::'
+313
ERRNo PTR record availible DNS server 'ns4.apnic.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.1.f.f.7.8.8.2.3.0.a.2.ip6.arpa'.