Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2001:67c:e0c::'
+323
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.c.0.e.0.c.7.6.0.1.0.0.2.ip6.arpa'.