Searching for 191.59.17.163.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 18 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
SERVFAIL
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns2.tcrc.edu.tw. [163.28.82.5] ...took 218 ms
SERVFAIL
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 218 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 227 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 227 msSearching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 227 ms
Searching for ns3.tcrc.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns3.tcrc.edu.tw. A record at b.dns.tw. [210.201.138.58] ...took 182 ms
Searching for ns3.tcrc.edu.tw. A record at edudns-a3.edu.tw. [140.111.34.134] ...took 215 ms
Searching for ns3.tcrc.edu.tw. A record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 218 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns3.tcrc.edu.tw. [163.28.80.3]
...took 218 msSearching for ns3.tcrc.edu.tw. A record at b.dns.tw. [210.201.138.58] ...took 182 ms
Searching for ns3.tcrc.edu.tw. A record at edudns-a3.edu.tw. [140.111.34.134] ...took 215 ms
Searching for ns3.tcrc.edu.tw. A record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 218 ms
SERVFAIL
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns2.tcrc.edu.tw. [163.28.82.5] ...took 218 ms
SERVFAIL
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 218 ms
Searching for dns2.tc.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns2.tc.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dns2.tc.edu.tw. A record at d.twnic.net.tw. [60.199.165.187] ...took 342 ms
Searching for dns2.tc.edu.tw. A record at dns.tc.edu.tw. [163.17.40.1] ...took 217 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at dns2.tc.edu.tw. [163.17.40.3]
...took 217 msSearching for dns2.tc.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 16 ms
Searching for dns2.tc.edu.tw. A record at d.twnic.net.tw. [60.199.165.187] ...took 342 ms
Searching for dns2.tc.edu.tw. A record at dns.tc.edu.tw. [163.17.40.1] ...took 217 ms
Nameserver dns2.tc.edu.tw. reports: No such host 191.59.17.163.in-addr.arpa.
Total elapsed query time: 2,707 ms