Searching for 193.66.121.42.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 193.66.121.42.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 278 ms
Searching for 193.66.121.42.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 278 ms
Searching for apnic.authdns.ripe.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for apnic.authdns.ripe.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for 193.66.121.42.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 f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for ns3.aliyun.com. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns3.aliyun.com. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns3.aliyun.com. A record at ns4.aliyun.com. [140.205.122.143] ...took 39 ms
Searching for 193.66.121.42.in-addr.arpa. PTR record at ns3.aliyun.com. [106.11.35.29]
...took 164 msSearching for ns3.aliyun.com. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns3.aliyun.com. A record at ns4.aliyun.com. [140.205.122.143] ...took 39 ms
Nameserver ns3.aliyun.com. reports: No such host 193.66.121.42.in-addr.arpa.
Total elapsed query time: 559 ms