Searching for 181.75.23.163.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 173 ms
SERVFAIL
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at chcns.tcrc.edu.tw. [163.28.80.43] ...took 288 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at dns.chc.edu.tw. [163.23.200.1] ...took 290 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 173 ms
Searching for ns2.apnic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for ns2.apnic.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for ns1.tcrc.edu.tw. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns1.tcrc.edu.tw. A record at e.dns.tw. [211.20.231.11] ...took 290 ms
Searching for ns1.tcrc.edu.tw. A record at ns3.tcrc.edu.tw. [163.28.80.3] ...took 297 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at ns1.tcrc.edu.tw. [163.28.82.1]
...took 278 msSearching for ns1.tcrc.edu.tw. A record at e.dns.tw. [211.20.231.11] ...took 290 ms
Searching for ns1.tcrc.edu.tw. A record at ns3.tcrc.edu.tw. [163.28.80.3] ...took 297 ms
Searching for chcns.tcrc.edu.tw. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for chcns.tcrc.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 16 ms
Searching for chcns.tcrc.edu.tw. A record at edudns-c1.edu.tw. [140.111.233.3] ...took 303 ms
Searching for chcns.tcrc.edu.tw. A record at ns2.tcrc.edu.tw. [163.28.82.5] ...took 294 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at chcns.tcrc.edu.tw. [163.28.80.43]
...took 293 msSearching for chcns.tcrc.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 16 ms
Searching for chcns.tcrc.edu.tw. A record at edudns-c1.edu.tw. [140.111.233.3] ...took 303 ms
Searching for chcns.tcrc.edu.tw. A record at ns2.tcrc.edu.tw. [163.28.82.5] ...took 294 ms
SERVFAIL
Searching for dns.chc.edu.tw. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for dns.chc.edu.tw. A record at b.dns.tw. [210.201.138.58] ...took 229 ms
Searching for dns.chc.edu.tw. A record at a.twnic.net.tw. [211.73.64.22] ...took 287 ms
Searching for dns.chc.edu.tw. A record at chcns.tcrc.edu.tw. [163.28.80.43] ...took 284 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at dns.chc.edu.tw. [163.23.200.1]
...took 290 msSearching for dns.chc.edu.tw. A record at b.dns.tw. [210.201.138.58] ...took 229 ms
Searching for dns.chc.edu.tw. A record at a.twnic.net.tw. [211.73.64.22] ...took 287 ms
Searching for dns.chc.edu.tw. A record at chcns.tcrc.edu.tw. [163.28.80.43] ...took 284 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at chcns.tcrc.edu.tw. [163.28.80.43] ...took 288 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at dns.chc.edu.tw. [163.23.200.1] ...took 290 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 3,761 ms