Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2001:d38::'
+248
ERRNo PTR record availible DNS server 'ns1.apnic.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.3.d.0.1.0.0.2.ip6.arpa'.