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Hostname or IP Type  
Searching for 163.54.214.144.in-addr.arpa. PTR record at C.ROOT-SERVERS.NET. [192.33.4.12] ...took 3 ms
Searching for 163.54.214.144.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 309 ms
Searching for v.arin.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12] ...took 3 ms
Searching for v.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 1 ms
Searching for v.arin.net. A record at u.arin.net. [204.61.216.50] ...took 1 ms
Searching for 163.54.214.144.in-addr.arpa. PTR record at v.arin.net. [63.243.194.2] ...took 15 ms
Searching for spain.cityu.edu.hk. A record at B.ROOT-SERVERS.NET. [192.228.79.201] ...took 148 ms
Searching for spain.cityu.edu.hk. A record at t.hkirc.net.hk. [128.32.136.14] ...took 149 ms
Searching for spain.cityu.edu.hk. A record at CPCCUX0.cityu.edu.hk. [144.214.5.253] ...took 317 ms
Searching for 163.54.214.144.in-addr.arpa. PTR record at spain.cityu.edu.hk. [144.214.2.1] ...took 314 ms
Searching for 163.54.214.144.in-addr.arpa. PTR record at isfile.is.cityu.edu.hk. [144.214.55.202] ...took 319 ms

Nameserver isfile.is.cityu.edu.hk. reports: No such host 163.54.214.144.in-addr.arpa.



Total elapsed query time: 1,579 ms