Searching for 157.140.57.47.in-addr.arpa. PTR record at F.ROOT-SERVERS.NET. [192.5.5.241]
...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 157.140.57.47.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms
Searching for y.arin.net. A record at A.ROOT-SERVERS.NET. [198.41.0.4]
...took 7 ms
Searching for y.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 33 ms
Searching for y.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 148 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 6 msSearching for y.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 33 ms
Searching for y.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 148 ms
Searching for rdns1.alidns.com. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 11 ms
Searching for rdns1.alidns.com. A record at i.gtld-servers.net. [192.43.172.30] ...took 8 ms
Searching for rdns1.alidns.com. A record at ns3.aliyun.com. [106.11.35.29] ...took 153 ms
Searching for 157.140.57.47.in-addr.arpa. PTR record at rdns1.alidns.com. [140.205.122.253]
...took 6 msSearching for rdns1.alidns.com. A record at i.gtld-servers.net. [192.43.172.30] ...took 8 ms
Searching for rdns1.alidns.com. A record at ns3.aliyun.com. [106.11.35.29] ...took 153 ms
Nameserver rdns1.alidns.com. reports: No such host 157.140.57.47.in-addr.arpa.
Total elapsed query time: 384 ms