Searching for 251.175.27.163.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 251.175.27.163.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 292 ms
Searching for 251.175.27.163.in-addr.arpa. PTR record at s1.ccu.edu.tw. [140.123.1.51] ...took 238 ms
Searching for 251.175.27.163.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 292 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 j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 251.175.27.163.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 230 msSearching for ns1.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for s1.ccu.edu.tw. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for s1.ccu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 213 ms
Searching for s1.ccu.edu.tw. A record at dns2.ccu.edu.tw. [140.123.254.17] ...took 238 ms
Searching for 251.175.27.163.in-addr.arpa. PTR record at s1.ccu.edu.tw. [163.28.96.1]
Timed out while trying to resolve 251.175.27.163.in-addr.arpa./PTR, id=21605Searching for s1.ccu.edu.tw. A record at d.dns.tw. [60.199.165.186] ...took 213 ms
Searching for s1.ccu.edu.tw. A record at dns2.ccu.edu.tw. [140.123.254.17] ...took 238 ms
Searching for 251.175.27.163.in-addr.arpa. PTR record at s1.ccu.edu.tw. [140.123.1.51] ...took 238 ms
Nameserver s1.ccu.edu.tw. reports: No such host 251.175.27.163.in-addr.arpa.
Total elapsed query time: 3,284 ms