Hostname or IP
Type
Searching for 1.4.189.137.in-addr.arpa. PTR record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 2 ms
Searching for 1.4.189.137.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 296 ms
Searching for r.arin.net. A record at F.ROOT-SERVERS.NET. [192.5.5.241] ...took 1 ms
Searching for r.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 10 ms
Searching for r.arin.net. A record at u.arin.net. [204.61.216.50] ...took 1 ms
Searching for 1.4.189.137.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63] ...took 145 ms
Searching for dns1.cuhk.edu.hk. A record at F.ROOT-SERVERS.NET. [192.5.5.241] ...took 1 ms
Searching for dns1.cuhk.edu.hk. A record at u.hkirc.net.hk. [210.201.138.58] ...took 291 ms
Searching for ns4.gdnsec.com. A record at F.ROOT-SERVERS.NET. [192.5.5.241] ...took 1 ms
Searching for ns4.gdnsec.com. A record at l.gtld-servers.net. [192.41.162.30] ...took 9 ms
Searching for ns4.gdnsec.com. A record at tin.gdnsec.com. [45.116.40.1] ...took 14 ms
Searching for dns1.cuhk.edu.hk. A record at ns4.gdnsec.com. [45.116.40.4] ...took 14 ms
Searching for 1.4.189.137.in-addr.arpa. PTR record at dns1.cuhk.edu.hk. [137.189.10.13] ...took 185 ms

Nameserver dns1.cuhk.edu.hk. reports: No such host 1.4.189.137.in-addr.arpa.



Total elapsed query time: 970 ms
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