Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '213.255.206.0'
+109
ERRNo PTR record availible DNS server 'ns-454.awsdns-56.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.206.255.213.in-addr.arpa'.