Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '81.199.1.0'
+743
ERRNo PTR record availible DNS server 'ns1.gilat.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.1.199.81.in-addr.arpa'.