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Hostname or IP Type  
Searching for 247.51.151.81.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13] ...took 1 ms
Searching for 247.51.151.81.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 203 ms
Searching for sns-pb.isc.org. A record at C.ROOT-SERVERS.NET. [192.33.4.12] ...took 3 ms
Searching for sns-pb.isc.org. A record at d0.org.afilias-nst.org. [199.19.57.1] ...took 93 ms
Searching for sns-pb.isc.org. A record at ams.sns-pb.isc.org. [199.6.1.30] ...took 15 ms
Searching for 247.51.151.81.in-addr.arpa. PTR record at sns-pb.isc.org. [192.5.4.1] ...took 14 ms
Searching for 247.51.151.81.in-addr.arpa. PTR record at ns.ripe.net. [193.0.9.6] ...took 14 ms
SERVFAIL
Searching for ns1.bt.net. A record at L.ROOT-SERVERS.NET. [199.7.83.42] ...took 30 ms
Searching for ns1.bt.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 14 ms
Searching for ns1.bt.net. A record at ns0.bt.net. [217.35.209.188] ...took 29 ms
Searching for 247.51.151.81.in-addr.arpa. PTR record at ns1.bt.net. [217.32.105.91] ...took 20 ms
Searching for 247.51.151.81.in-addr.arpa. PTR record at ns20.bt.net. [194.72.6.99] ...took 17 ms
DomainTypeTTLAnswer
247.51.151.81.in-addr.arpa.PTR604800host81-151-51-247.range81-151.btcentralplus.com.



Total elapsed query time: 453 ms