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 d.in-addr-servers.arpa. [200.10.60.53] ...took 119 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 119 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 l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 147 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 148 msSearching for z.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for z.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 147 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 d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for rdns2.alidns.com. A record at ns4.aliyun.com. [140.205.122.143] ...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 d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for rdns2.alidns.com. A record at ns4.aliyun.com. [140.205.122.143] ...took 6 ms
Nameserver rdns2.alidns.com. reports: No such host 157.140.57.47.in-addr.arpa.
Total elapsed query time: 505 ms