Searching for 121.77.71.12.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for 121.77.71.12.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for 121.77.71.12.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for dbru.br.ns.els-gms.att.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for dbru.br.ns.els-gms.att.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for dbru.br.ns.els-gms.att.net. A record at macu.ma.mt.np.els-gms.att.net. [99.99.99.130] ...took 112 ms
Searching for 121.77.71.12.in-addr.arpa. PTR record at dbru.br.ns.els-gms.att.net. [68.94.156.134]
...took 125 msSearching for dbru.br.ns.els-gms.att.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for dbru.br.ns.els-gms.att.net. A record at macu.ma.mt.np.els-gms.att.net. [99.99.99.130] ...took 112 ms
Nameserver dbru.br.ns.els-gms.att.net. reports: No such host 121.77.71.12.in-addr.arpa.
Total elapsed query time: 442 ms