Searching for 20.254.252.128.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 20.254.252.128.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 20.254.252.128.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for y.arin.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 6 ms
Searching for y.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for y.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 157 ms
Searching for 20.254.252.128.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 6 msSearching for y.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for y.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 157 ms
Searching for ns01.ip.wustl.edu. A record at G.ROOT-SERVERS.NET. [192.112.36.4]
...took 29 ms
Searching for ns01.ip.wustl.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns01.ip.wustl.edu. A record at ns01.ip.wustl.edu. [128.252.0.9] ...took 133 ms
Searching for 20.254.252.128.in-addr.arpa. PTR record at ns01.ip.wustl.edu. [128.252.0.9]
...took 129 msSearching for ns01.ip.wustl.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns01.ip.wustl.edu. A record at ns01.ip.wustl.edu. [128.252.0.9] ...took 133 ms
Nameserver ns01.ip.wustl.edu. reports: No such host 20.254.252.128.in-addr.arpa.
Total elapsed query time: 505 ms