Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2001:42c8::'
+101
ERRNo PTR record availible DNS server 'ns1.as6453.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.c.2.4.1.0.0.2.ip6.arpa'.