Searching for 121.87.3.4.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 121.87.3.4.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Searching for 121.87.3.4.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Searching for z.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for z.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for z.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for 121.87.3.4.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 96 msSearching for z.arin.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 21 ms
Searching for z.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for ns4.level3.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns4.level3.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns4.level3.net. A record at ns2.l3.net. [209.244.0.2] ...took 20 ms
Searching for 121.87.3.4.in-addr.arpa. PTR record at ns4.level3.net. [64.132.94.251]
...took 120 msSearching for ns4.level3.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns4.level3.net. A record at ns2.l3.net. [209.244.0.2] ...took 20 ms
Nameserver ns4.level3.net. reports: No such host 121.87.3.4.in-addr.arpa.
Total elapsed query time: 429 ms