Searching for 191.42.252.123.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 191.42.252.123.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
SERVFAIL
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8] ...took 273 ms
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 289 ms
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns2.apnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 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 i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for dns6.kbtelecom.net.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns6.kbtelecom.net.tw. A record at c.dns.tw. [203.66.87.201] ...took 229 ms
Searching for dns6.kbtelecom.net.tw. A record at b.twnic.net.tw. [203.73.24.24] ...took 224 ms
Searching for dns6.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 300 ms
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6]
...took 294 msSearching for dns6.kbtelecom.net.tw. A record at c.dns.tw. [203.66.87.201] ...took 229 ms
Searching for dns6.kbtelecom.net.tw. A record at b.twnic.net.tw. [203.73.24.24] ...took 224 ms
Searching for dns6.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 300 ms
SERVFAIL
Searching for dns8.kbtelecom.net.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns8.kbtelecom.net.tw. A record at d.dns.tw. [60.199.165.186] ...took 228 ms
Searching for dns8.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 311 ms
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
...took 278 msSearching for dns8.kbtelecom.net.tw. A record at d.dns.tw. [60.199.165.186] ...took 228 ms
Searching for dns8.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 311 ms
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8] ...took 273 ms
SERVFAIL
Searching for 191.42.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 289 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 2,520 ms