Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2a06:56c1:1000::'
+165
ERRNo PTR record availible DNS server 'ns-391.awsdns-48.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.1.c.6.5.6.0.a.2.ip6.arpa'.