Searching for 20.81.126.216.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for 20.81.126.216.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
SERVFAIL
SERVFAIL
Searching for 20.81.126.216.in-addr.arpa. PTR record at ns4.151.net. [206.130.183.8] ...took 109 ms
SERVFAIL
Searching for 20.81.126.216.in-addr.arpa. PTR record at ns3.151.net. [206.130.183.4] ...took 100 ms
SERVFAIL
Searching for 20.81.126.216.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for r.arin.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 8 ms
Searching for r.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for r.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 150 ms
Searching for 20.81.126.216.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63]
...took 156 msSearching for r.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for r.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 150 ms
Searching for ns4.151.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 8 ms
Searching for ns4.151.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 25 ms
Searching for ns4.151.net. A record at ns1.151.net. [206.130.183.3] ...took 116 ms
Searching for 20.81.126.216.in-addr.arpa. PTR record at ns4.151.net. [206.130.183.8]
...took 116 msSearching for ns4.151.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 25 ms
Searching for ns4.151.net. A record at ns1.151.net. [206.130.183.3] ...took 116 ms
SERVFAIL
Searching for ns3.151.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 8 ms
Searching for ns3.151.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 25 ms
Searching for ns3.151.net. A record at ns.tht.net. [216.126.88.2]
Searching for ns3.151.net. A record at ns2.151.net. [206.130.183.2] ...took 110 ms
Searching for 20.81.126.216.in-addr.arpa. PTR record at ns3.151.net. [206.130.183.4]
...took 100 msSearching for ns3.151.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 25 ms
Searching for ns3.151.net. A record at ns.tht.net. [216.126.88.2]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for ns3.151.net. A record at ns2.151.net. [206.130.183.2] ...took 110 ms
SERVFAIL
Searching for 20.81.126.216.in-addr.arpa. PTR record at ns4.151.net. [206.130.183.8] ...took 109 ms
SERVFAIL
Searching for 20.81.126.216.in-addr.arpa. PTR record at ns3.151.net. [206.130.183.4] ...took 100 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 3,075 ms