Hostname or IP
Type
Searching for 237.172.158.81.in-addr.arpa. PTR record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 1 ms
Searching for 237.172.158.81.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 24 ms
Searching for pri.authdns.ripe.net. A record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 1 ms
Searching for pri.authdns.ripe.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 312 ms
Searching for ns3.nic.fr. A record at A.ROOT-SERVERS.NET. [198.41.0.4] ...took 2 ms
Searching for ns3.nic.fr. A record at f.ext.nic.fr. [194.146.106.46] ...took 1 ms
Searching for ns3.nic.fr. A record at ns3.nic.fr. [192.134.0.49] ...took 10 ms
Searching for pri.authdns.ripe.net. A record at ns3.nic.fr. [192.134.0.49] ...took 10 ms
Searching for 237.172.158.81.in-addr.arpa. PTR record at pri.authdns.ripe.net. [193.0.9.5] ...took 24 ms
SERVFAIL
Searching for 237.172.158.81.in-addr.arpa. PTR record at tinnie.arin.net. [199.212.0.53] ...took 87 ms
Searching for ns2.bt.net. A record at L.ROOT-SERVERS.NET. [199.7.83.42] ...took 16 ms
Searching for ns2.bt.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 31 ms
Searching for ns2.bt.net. A record at ns2.bt.net. [217.32.105.90] ...took 20 ms
Searching for 237.172.158.81.in-addr.arpa. PTR record at ns2.bt.net. [217.32.105.90] ...took 21 ms
Searching for 237.172.158.81.in-addr.arpa. PTR record at ns20.bt.net. [194.72.6.99] ...took 17 ms
DomainTypeTTLAnswer
237.172.158.81.in-addr.arpa.PTR604800host81-158-172-237.range81-158.btcentralplus.com.



Total elapsed query time: 577 ms
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