Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '98.97.249.0'
+307
ERRNo PTR record availible DNS server 'pdns111.ultradns.biz' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.249.97.98.in-addr.arpa'.