Searching for 220.104.135.128.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 220.104.135.128.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 93 ms
Searching for 220.104.135.128.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 93 ms
Searching for x.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for x.arin.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 151 ms
Searching for 220.104.135.128.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 90 msSearching for x.arin.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 151 ms
Searching for ucns1.uchicago.uiowa.edu. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ucns1.uchicago.uiowa.edu. A record at c.edu-servers.net. [192.26.92.30] ...took 21 ms
Searching for ucns1.uchicago.uiowa.edu. A record at dns1.uiowa.edu. [128.255.1.26] ...took 122 ms
Searching for 220.104.135.128.in-addr.arpa. PTR record at ucns1.uchicago.uiowa.edu. [198.49.182.19]
...took 129 msSearching for ucns1.uchicago.uiowa.edu. A record at c.edu-servers.net. [192.26.92.30] ...took 21 ms
Searching for ucns1.uchicago.uiowa.edu. A record at dns1.uiowa.edu. [128.255.1.26] ...took 122 ms
Nameserver ucns1.uchicago.uiowa.edu. reports: No such host 220.104.135.128.in-addr.arpa.
Total elapsed query time: 657 ms