Searching for 181.75.23.163.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
SERVFAIL
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at chcns.tcrc.edu.tw. [163.28.80.43] ...took 217 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at dns.chc.edu.tw. [163.23.200.1] ...took 217 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 92 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 153 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 91 msSearching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 153 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 a.dns.tw. [203.73.24.25] ...took 196 ms
Searching for ns3.tcrc.edu.tw. A record at ns3.tcrc.edu.tw. [163.28.80.3] ...took 216 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at ns3.tcrc.edu.tw. [163.28.80.3]
...took 216 msSearching for ns3.tcrc.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 196 ms
Searching for ns3.tcrc.edu.tw. A record at ns3.tcrc.edu.tw. [163.28.80.3] ...took 216 ms
Searching for chcns.tcrc.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for chcns.tcrc.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 195 ms
Searching for chcns.tcrc.edu.tw. A record at ns3.tcrc.edu.tw. [163.28.80.3] ...took 216 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at chcns.tcrc.edu.tw. [163.28.80.43]
...took 215 msSearching for chcns.tcrc.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 195 ms
Searching for chcns.tcrc.edu.tw. A record at ns3.tcrc.edu.tw. [163.28.80.3] ...took 216 ms
SERVFAIL
Searching for dns.chc.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns.chc.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 197 ms
Searching for dns.chc.edu.tw. A record at dns.chc.edu.tw. [163.23.200.1] ...took 217 ms
Searching for 181.75.23.163.in-addr.arpa. PTR record at dns.chc.edu.tw. [163.23.200.1]
...took 216 msSearching for dns.chc.edu.tw. A record at a.dns.tw. [203.73.24.25] ...took 197 ms
Searching for dns.chc.edu.tw. A record at dns.chc.edu.tw. [163.23.200.1] ...took 217 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at chcns.tcrc.edu.tw. [163.28.80.43] ...took 217 ms
SERVFAIL
Searching for 181.75.23.163.in-addr.arpa. PTR record at dns.chc.edu.tw. [163.23.200.1] ...took 217 ms
SERVFAIL
None of the nameservers responded correctly.
Total elapsed query time: 2,733 ms