Searching for 14.1.31.128.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 15 ms
Searching for 14.1.31.128.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 292 ms
Searching for 14.1.31.128.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 292 ms
Searching for u.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 14 ms
Searching for u.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for u.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for 14.1.31.128.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50] 
...took 7 msSearching for u.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for u.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for auth-ns3.csail.mit.edu. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 15 ms
Searching for auth-ns3.csail.mit.edu. A record at c.edu-servers.net. [192.26.92.30] ...took 21 ms
Searching for auth-ns3.csail.mit.edu. A record at auth-ns1.csail.mit.edu. [128.31.0.18] ...took 102 ms
Searching for 14.1.31.128.in-addr.arpa. PTR record at auth-ns3.csail.mit.edu. [18.220.24.142] 
...took 114 msSearching for auth-ns3.csail.mit.edu. A record at c.edu-servers.net. [192.26.92.30] ...took 21 ms
Searching for ns1-173.akam.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 14 ms
Searching for ns1-173.akam.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns1-173.akam.net. A record at a4-67.akam.net. [72.246.46.67] ...took 11 ms
Searching for auth-ns3.csail.mit.edu. A record at ns1-173.akam.net. [193.108.91.173] 
...took 6 msSearching for ns1-173.akam.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns1-173.akam.net. A record at a4-67.akam.net. [72.246.46.67] ...took 11 ms
Searching for auth-ns3.csail.mit.edu. A record at auth-ns1.csail.mit.edu. [128.31.0.18] ...took 102 ms
| Domain | Type | TTL | Answer | 
|---|---|---|---|
| 14.1.31.128.in-addr.arpa. | PTR | 1800 | planetlab4.csail.mit.edu. | 
Total elapsed query time: 713 ms
