Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '158.26.56.0'
+374
ERRNo PTR record availible DNS server 'a1-116.akam.net' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.56.26.158.in-addr.arpa'.