Searching for 15.86.219.12.in-addr.arpa. PTR record at C.ROOT-SERVERS.NET. [192.33.4.12]
...took 11 ms
Searching for 15.86.219.12.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 15.86.219.12.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 31 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 19 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at macu.ma.mt.np.els-gms.att.net. [99.99.99.130] ...took 119 ms
Searching for 15.86.219.12.in-addr.arpa. PTR record at dmtu.mt.ns.els-gms.att.net. [99.99.99.134]
...took 113 msSearching for dmtu.mt.ns.els-gms.att.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 19 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at macu.ma.mt.np.els-gms.att.net. [99.99.99.130] ...took 119 ms
Nameserver dmtu.mt.ns.els-gms.att.net. reports: No such host 15.86.219.12.in-addr.arpa.
Total elapsed query time: 305 ms