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 d.in-addr-servers.arpa. [200.10.60.53] ...took 118 ms
Searching for 234.195.121.42.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 118 ms
Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for rirns.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for 234.195.121.42.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 92 msSearching for rirns.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for ns3.aliyun.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns3.aliyun.com. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns3.aliyun.com. A record at ns3.aliyun.com. [106.11.35.29] ...took 160 ms
Searching for 234.195.121.42.in-addr.arpa. PTR record at ns3.aliyun.com. [106.11.41.154]
...took 144 msSearching for ns3.aliyun.com. A record at j.gtld-servers.net. [192.48.79.30] ...took 12 ms
Searching for ns3.aliyun.com. A record at ns3.aliyun.com. [106.11.35.29] ...took 160 ms
Nameserver ns3.aliyun.com. reports: No such host 234.195.121.42.in-addr.arpa.
Total elapsed query time: 682 ms