Searching for 18.121.252.123.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 18.121.252.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
SERVFAIL
SERVFAIL
Searching for 18.121.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 249 ms
SERVFAIL
Searching for 18.121.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8] ...took 246 ms
SERVFAIL
Searching for 18.121.252.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns3.lacnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns3.lacnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 18.121.252.123.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 193 msSearching for ns3.lacnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns3.lacnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 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 a.dns.tw. [203.73.24.25] ...took 182 ms
Searching for dns6.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 314 ms
Searching for 18.121.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6]
...took 252 msSearching for dns6.kbtelecom.net.tw. A record at a.dns.tw. [203.73.24.25] ...took 182 ms
Searching for dns6.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 314 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 b.dns.tw. [210.201.138.58] ...took 184 ms
Searching for dns8.kbtelecom.net.tw. A record at c.twnic.net.tw. [168.95.192.10] ...took 218 ms
Searching for dns8.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 297 ms
Searching for 18.121.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
...took 249 msSearching for dns8.kbtelecom.net.tw. A record at b.dns.tw. [210.201.138.58] ...took 184 ms
Searching for dns8.kbtelecom.net.tw. A record at c.twnic.net.tw. [168.95.192.10] ...took 218 ms
Searching for dns8.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 297 ms
SERVFAIL
Searching for 18.121.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 249 ms
SERVFAIL
Searching for 18.121.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8] ...took 246 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 2,582 ms