Searching for 157.140.57.47.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for z.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for z.arin.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 153 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 93 msSearching for z.arin.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 153 ms
Searching for rdns2.alidns.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for rdns2.alidns.com. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for rdns2.alidns.com. A record at ns4.aliyun.com. [140.205.122.133] ...took 6 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at rdns2.alidns.com. [140.205.122.243]
...took 6 msSearching for rdns2.alidns.com. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for rdns2.alidns.com. A record at ns4.aliyun.com. [140.205.122.133] ...took 6 ms
Nameserver rdns2.alidns.com. reports: No such host 157.140.57.47.in-addr.arpa.
Total elapsed query time: 363 ms