Searching for 191.59.17.163.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
SERVFAIL
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 212 ms
Searching for 191.59.17.163.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 25 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 191.59.17.163.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 25 ms
Searching for ns2.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns3.tcrc.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.tcrc.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 17 ms
Searching for ns3.tcrc.edu.tw. A record at edudns-a3.edu.tw. [140.111.34.134] ...took 206 ms
Searching for ns3.tcrc.edu.tw. A record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 210 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns3.tcrc.edu.tw. [163.28.80.3]
...took 210 msSearching for ns3.tcrc.edu.tw. A record at anytld.apnic.net. [202.12.31.53] ...took 17 ms
Searching for ns3.tcrc.edu.tw. A record at edudns-a3.edu.tw. [140.111.34.134] ...took 206 ms
Searching for ns3.tcrc.edu.tw. A record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 210 ms
SERVFAIL
Searching for 191.59.17.163.in-addr.arpa. PTR record at ns1.tcrc.edu.tw. [163.28.82.1] ...took 212 ms
Searching for dns3.tc.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns3.tc.edu.tw. A record at g.dns.tw. [34.141.111.176] ...took 7 ms
Searching for dns3.tc.edu.tw. A record at dns2.tc.edu.tw. [163.17.40.3] ...took 211 ms
Searching for 191.59.17.163.in-addr.arpa. PTR record at dns3.tc.edu.tw. [163.28.80.41]
...took 212 msSearching for dns3.tc.edu.tw. A record at g.dns.tw. [34.141.111.176] ...took 7 ms
Searching for dns3.tc.edu.tw. A record at dns2.tc.edu.tw. [163.17.40.3] ...took 211 ms
Nameserver dns3.tc.edu.tw. reports: No such host 191.59.17.163.in-addr.arpa.
Total elapsed query time: 1,402 ms