Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '216.115.17.0'
+168
ERRNo PTR record availible DNS server 'dns-auth-00.klas0.s.vonagenetworks.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.17.115.216.in-addr.arpa'.