Hostname or IP
Type
Searching for 34.19.121.42.in-addr.arpa. PTR record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 2 ms
Searching for 34.19.121.42.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 16 ms
Searching for apnic.authdns.ripe.net. A record at F.ROOT-SERVERS.NET. [192.5.5.241] ...took 1 ms
Searching for apnic.authdns.ripe.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 27 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 1 ms
Searching for 34.19.121.42.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9] ...took 9 ms
Searching for ns4.aliyun.com. A record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 1 ms
Searching for ns4.aliyun.com. A record at d.gtld-servers.net. [192.31.80.30] ...took 1 ms
Searching for ns4.aliyun.com. A record at ns5.aliyun.com. [140.205.2.187] ...took 208 ms
Searching for 34.19.121.42.in-addr.arpa. PTR record at ns4.aliyun.com. [42.156.241.248] ...took 218 ms

Nameserver ns4.aliyun.com. reports: No such host 34.19.121.42.in-addr.arpa.



Total elapsed query time: 484 ms
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