Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2400:3980::'
+299
ERRNo PTR record availible DNS server 'ns3.lacnic.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.9.3.0.0.4.2.ip6.arpa'.