Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a13:5a47:3000::'
+178
ERRNo PTR record availible DNS server 'pri.authdns.ripe.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.7.4.a.5.3.1.a.2.ip6.arpa'.