Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '2600:9000:a1a0::'
+358
ERRNo PTR record availible DNS server 'ns-1543.awsdns-00.co.uk' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.1.a.0.0.0.9.0.0.6.2.ip6.arpa'.