Hostname or IP
Type
Searching for 249.86.112.140.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13] ...took 1 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 134 ms
Searching for y.arin.net. A record at G.ROOT-SERVERS.NET. [192.112.36.4] ...took 18 ms
Searching for y.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 25 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 94 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30] ...took 1 ms
Searching for dns.ntu.edu.tw. A record at I.ROOT-SERVERS.NET. [192.36.148.17] ...took 1 ms
Searching for dns.ntu.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 220 ms
Searching for dns.ntu.edu.tw. A record at moemoon.edu.tw. [192.83.166.17] ...took 287 ms
Searching for dns.ntu.edu.tw. A record at dns.ntu.edu.tw. [140.112.254.4] ...took 276 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at dns.ntu.edu.tw. [140.112.254.4] ...took 280 ms
Searching for 249.86.112.140.in-addr.arpa. PTR record at ntuns.ntu.edu.tw. [140.112.3.16] ...took 281 ms

Nameserver ntuns.ntu.edu.tw. reports: No such host 249.86.112.140.in-addr.arpa.



Total elapsed query time: 1,618 ms
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