Searching for 234.195.121.42.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 234.195.121.42.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 234.195.121.42.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 93 ms
Searching for 234.195.121.42.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 11 msSearching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for apnic.authdns.ripe.net. A record at rirns.arin.net. [199.253.249.53] ...took 93 ms
Searching for ns4.aliyun.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns4.aliyun.com. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns4.aliyun.com. A record at ns5.aliyun.com. [140.205.122.153] ...took 6 ms
Searching for 234.195.121.42.in-addr.arpa. PTR record at ns4.aliyun.com. [140.205.122.143]
...took 8 msSearching for ns4.aliyun.com. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns4.aliyun.com. A record at ns5.aliyun.com. [140.205.122.153] ...took 6 ms
Nameserver ns4.aliyun.com. reports: No such host 234.195.121.42.in-addr.arpa.
Total elapsed query time: 208 ms