Searching for 28.24.112.140.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 266 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 302 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Searching for 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 294 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 296 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 266 ms
Searching for arin.authdns.ripe.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for arin.authdns.ripe.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for arin.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 164 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at arin.authdns.ripe.net. [193.0.9.10]
...took 12 msSearching for arin.authdns.ripe.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for arin.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 164 ms
Searching for dns.ntu.edu.tw. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for dns.ntu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 336 ms
Searching for dns.ntu.edu.tw. A record at edudns-a3.edu.tw. [140.111.34.134] ...took 289 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4]
...took 287 msSearching for dns.ntu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 336 ms
Searching for dns.ntu.edu.tw. A record at edudns-a3.edu.tw. [140.111.34.134] ...took 289 ms
Searching for dns.tp1rc.edu.tw. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for dns.tp1rc.edu.tw. A record at e.dns.tw. [211.20.231.11] ...took 297 ms
Searching for dns.tp1rc.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 285 ms
Searching for dns.ntu.edu.tw. A record at dns.tp1rc.edu.tw. [163.28.16.10]
...took 286 msSearching for dns.tp1rc.edu.tw. A record at e.dns.tw. [211.20.231.11] ...took 297 ms
Searching for dns.tp1rc.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 285 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 302 ms
SERVFAIL
Searching for news.ntu.edu.tw. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for news.ntu.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 177 ms
Searching for news.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 296 ms
Searching for 28.24.112.140.in-addr.arpa. PTR record at news.ntu.edu.tw. [140.112.254.2]
Searching for news.ntu.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 177 ms
Searching for news.ntu.edu.tw. A record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 296 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 28.24.112.140.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 28.24.112.140.in-addr.arpa. PTR record at ntu3.ntu.edu.tw. [140.112.2.2] ...took 294 ms
SERVFAIL
Searching for 28.24.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 296 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 7,736 ms