Unable to find any PTR-records for the specified domain/ip :(
Log
+000
Resolving PTR record of '150.61.55.0'
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ERRNo PTR record availible DNS server 'ns5.canon.co.jp' raised an NotExistentDomain error, while beeing queried for PTR-records on domain '0.55.61.150.in-addr.arpa'.