Searching for 121.77.71.12.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 121.77.71.12.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 121.77.71.12.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for dbru.br.ns.els-gms.att.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dbru.br.ns.els-gms.att.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for dbru.br.ns.els-gms.att.net. A record at ohcu.oh.mt.np.els-gms.att.net. [99.99.99.128] ...took 123 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 128 msSearching for dbru.br.ns.els-gms.att.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for dbru.br.ns.els-gms.att.net. A record at ohcu.oh.mt.np.els-gms.att.net. [99.99.99.128] ...took 123 ms
Nameserver dbru.br.ns.els-gms.att.net. reports: No such host 121.77.71.12.in-addr.arpa.
Total elapsed query time: 299 ms