Searching for 104.1.129.138.in-addr.arpa. PTR record at A.ROOT-SERVERS.NET. [198.41.0.4]
...took 6 ms
Searching for 104.1.129.138.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 104.1.129.138.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for x.arin.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for x.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for x.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 94 ms
Searching for 104.1.129.138.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 156 msSearching for x.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for x.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 94 ms
Searching for ns01.cord.edu. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns01.cord.edu. A record at h.edu-servers.net. [192.54.112.30] ...took 5 ms
Searching for ns01.cord.edu. A record at ns01.cord.edu. [138.129.254.37] ...took 121 ms
Searching for 104.1.129.138.in-addr.arpa. PTR record at ns01.cord.edu. [138.129.254.37]
...took 125 msSearching for ns01.cord.edu. A record at h.edu-servers.net. [192.54.112.30] ...took 5 ms
Searching for ns01.cord.edu. A record at ns01.cord.edu. [138.129.254.37] ...took 121 ms
Nameserver ns01.cord.edu. reports: No such host 104.1.129.138.in-addr.arpa.
Total elapsed query time: 554 ms