Searching for 191.42.252.123.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 191.42.252.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 175 ms
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 288 ms
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
Searching for 191.42.252.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 175 ms
Searching for ns2.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for ns2.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 6 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 188 ms
Searching for 191.42.252.123.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 6 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 188 ms
Searching for dns6.kbtelecom.net.tw. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for dns6.kbtelecom.net.tw. A record at e.dns.tw. [211.20.231.11] ...took 298 ms
Searching for dns6.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 292 ms
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6]
...took 298 msSearching for dns6.kbtelecom.net.tw. A record at e.dns.tw. [211.20.231.11] ...took 298 ms
Searching for dns6.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 292 ms
SERVFAIL
Searching for dns8.kbtelecom.net.tw. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for dns8.kbtelecom.net.tw. A record at d.dns.tw. [60.199.165.186] ...took 336 ms
Searching for dns8.kbtelecom.net.tw. A record at h.dns.tw. [204.61.216.119] ...took 12 ms
Searching for dns8.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 283 ms
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
Searching for dns8.kbtelecom.net.tw. A record at d.dns.tw. [60.199.165.186] ...took 336 ms
Searching for dns8.kbtelecom.net.tw. A record at h.dns.tw. [204.61.216.119] ...took 12 ms
Searching for dns8.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 283 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 191.42.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 288 ms
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
Query timed out (interrupted after 2,001 milliseconds)
None of the nameservers responded correctly.
Total elapsed query time: 6,244 ms