Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '8.3.29.0'
+427
ERRNo PTR record availible DNS server 'reversedns.vultr.com' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.29.3.8.in-addr.arpa'.