Searching for 221.80.105.159.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 34 ms
Searching for 221.80.105.159.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 94 ms
Searching for 221.80.105.159.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 94 ms
Searching for y.arin.net. A record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 11 ms
Searching for y.arin.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for 221.80.105.159.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30]
...took 7 msSearching for y.arin.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for ns1.f5clouddns.com. A record at F.ROOT-SERVERS.NET. [192.5.5.241]
...took 7 ms
Searching for ns1.f5clouddns.com. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns1.f5clouddns.com. A record at ns2.f5clouddns.com. [107.162.176.221] ...took 6 ms
Searching for 221.80.105.159.in-addr.arpa. PTR record at ns1.f5clouddns.com. [107.162.234.197]
...took 12 msSearching for ns1.f5clouddns.com. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns1.f5clouddns.com. A record at ns2.f5clouddns.com. [107.162.176.221] ...took 6 ms
Nameserver ns1.f5clouddns.com. reports: No such host 221.80.105.159.in-addr.arpa.
Total elapsed query time: 274 ms