Searching for 177.115.121.42.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for 177.115.121.42.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 177.115.121.42.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for apnic.authdns.ripe.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 7 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 177.115.121.42.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 12 msSearching for apnic.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 7 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns3.aliyun.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 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 ns5.aliyun.com. [47.88.74.34] ...took 148 ms
Searching for 177.115.121.42.in-addr.arpa. PTR record at ns3.aliyun.com. [106.11.41.154]
...took 164 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 ns5.aliyun.com. [47.88.74.34] ...took 148 ms
Nameserver ns3.aliyun.com. reports: No such host 177.115.121.42.in-addr.arpa.
Total elapsed query time: 629 ms