Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '70.159.220.0'
+161
ERRNo PTR record availible DNS server 'ns10b.attdns.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.220.159.70.in-addr.arpa'.