Searching for 121.24.255.169.in-addr.arpa. PTR record at E.ROOT-SERVERS.NET. [192.203.230.10]
...took 6 ms
Searching for 121.24.255.169.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 159 ms
Searching for 121.24.255.169.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 159 ms
Searching for r.arin.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 10 ms
Searching for r.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Searching for 121.24.255.169.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63]
...took 144 msSearching for r.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Nameserver r.arin.net. reports: No such host 121.24.255.169.in-addr.arpa.
Total elapsed query time: 435 ms