Searching for 102.24.112.140.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 102.24.112.140.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 257 ms
SERVFAIL
Searching for 102.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 304 ms
SERVFAIL
Searching for 102.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Searching for 102.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 305 ms
SERVFAIL
Searching for 102.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 301 ms
SERVFAIL
Searching for 102.24.112.140.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 257 ms
Searching for y.arin.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for y.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Searching for 102.24.112.140.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 6 msSearching for y.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 12 ms
Searching for dns.ntu.edu.tw. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for dns.ntu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 334 ms
Searching for dns.ntu.edu.tw. A record at b.twnic.net.tw. [103.235.88.1] ...took 263 ms
Searching for dns.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 309 ms
Searching for 102.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4]
...took 311 msSearching for dns.ntu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 334 ms
Searching for dns.ntu.edu.tw. A record at b.twnic.net.tw. [103.235.88.1] ...took 263 ms
Searching for dns.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 309 ms
SERVFAIL
Searching for news.ntu.edu.tw. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for news.ntu.edu.tw. A record at b.dns.tw. [210.201.138.58] ...took 228 ms
Searching for news.ntu.edu.tw. A record at d.twnic.net.tw. [60.199.165.187] ...took 330 ms
Searching for news.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 305 ms
Searching for 102.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Searching for news.ntu.edu.tw. A record at b.dns.tw. [210.201.138.58] ...took 228 ms
Searching for news.ntu.edu.tw. A record at d.twnic.net.tw. [60.199.165.187] ...took 330 ms
Searching for news.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 305 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 102.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 304 ms
SERVFAIL
Searching for 102.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 102.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 305 ms
SERVFAIL
Searching for 102.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 301 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 7,333 ms