Searching for 17.121.252.123.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 17.121.252.123.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
SERVFAIL
Searching for 17.121.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
Searching for 17.121.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 337 ms
SERVFAIL
Searching for 17.121.252.123.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 156 ms
Searching for ns3.lacnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns3.lacnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for 17.121.252.123.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14]
...took 200 msSearching for ns3.lacnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for ns2.dns.br. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.dns.br. A record at a.dns.br. [200.219.148.10] ...took 204 ms
Searching for ns3.lacnic.net. A record at ns2.dns.br. [200.192.232.53]
...took 208 msSearching for ns2.dns.br. A record at a.dns.br. [200.219.148.10] ...took 204 ms
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 f.dns.tw. [182.173.0.10] ...took 333 ms
Searching for dns8.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 296 ms
Searching for 17.121.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
Searching for dns8.kbtelecom.net.tw. A record at f.dns.tw. [182.173.0.10] ...took 333 ms
Searching for dns8.kbtelecom.net.tw. A record at ns2.kbtelecom.net.tw. [61.63.0.67] ...took 296 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...
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 297 ms
Searching for dns6.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 291 ms
Searching for 17.121.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6]
...took 334 msSearching for dns6.kbtelecom.net.tw. A record at e.dns.tw. [211.20.231.11] ...took 297 ms
Searching for dns6.kbtelecom.net.tw. A record at ns1.kbtelecom.net.tw. [61.63.0.66] ...took 291 ms
SERVFAIL
Searching for 17.121.252.123.in-addr.arpa. PTR record at dns8.kbtelecom.net.tw. [203.133.1.8]
Query timed out (interrupted after 2,001 milliseconds)
Retrying...Searching for 17.121.252.123.in-addr.arpa. PTR record at dns6.kbtelecom.net.tw. [203.133.1.6] ...took 337 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 6,730 ms