Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2605:a7c0:123::'
+319
ERRNo PTR record availible DNS server 'ns-1798.awsdns-32.co.uk' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.2.1.0.0.c.7.a.5.0.6.2.ip6.arpa'.