Hostname or IP
Type
Searching for 121.171.101.38.in-addr.arpa. PTR record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 2 ms
Searching for 121.171.101.38.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 8 ms
Searching for auth5.dns.cogentco.com. A record at F.ROOT-SERVERS.NET. [192.5.5.241] ...took 1 ms
Searching for auth5.dns.cogentco.com. A record at m.gtld-servers.net. [192.55.83.30] ...took 10 ms
Searching for auth5.dns.cogentco.com. A record at auth1.dns.cogentco.com. [66.28.0.14] ...took 87 ms
Searching for 121.171.101.38.in-addr.arpa. PTR record at auth5.dns.cogentco.com. [80.91.64.50] ...took 32 ms

Nameserver auth5.dns.cogentco.com. reports: No such host 121.171.101.38.in-addr.arpa.



Total elapsed query time: 140 ms
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