Searching for 39.121.72.12.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 39.121.72.12.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 206 ms
Searching for 39.121.72.12.in-addr.arpa. PTR record at fmtu.mt.ns.els-gms.att.net. [99.99.99.130] ...took 117 ms
Searching for 39.121.72.12.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 206 ms
Searching for cbru.br.ns.els-gms.att.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for cbru.br.ns.els-gms.att.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 36 ms
Searching for cbru.br.ns.els-gms.att.net. A record at orcu.or.br.np.els-gms.att.net. [68.94.156.130] ...took 133 ms
Searching for 39.121.72.12.in-addr.arpa. PTR record at cbru.br.ns.els-gms.att.net. [68.94.156.132]
...took 134 msSearching for cbru.br.ns.els-gms.att.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 36 ms
Searching for cbru.br.ns.els-gms.att.net. A record at orcu.or.br.np.els-gms.att.net. [68.94.156.130] ...took 133 ms
Searching for 39.121.72.12.in-addr.arpa. PTR record at fmtu.mt.ns.els-gms.att.net. [99.99.99.130] ...took 117 ms
Nameserver fmtu.mt.ns.els-gms.att.net. reports: No such host 39.121.72.12.in-addr.arpa.
Total elapsed query time: 656 ms