Searching for 171.72.241.63.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 14 ms
Searching for 171.72.241.63.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 90 ms
Searching for 171.72.241.63.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 90 ms
Searching for r.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 15 ms
Searching for r.arin.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 21 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 171.72.241.63.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63] 
...took 90 msSearching for r.arin.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 21 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 15 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at orcu.or.br.np.els-gms.att.net. [68.94.156.130] ...took 132 ms
Searching for 171.72.241.63.in-addr.arpa. PTR record at dmtu.mt.ns.els-gms.att.net. [99.99.99.134] 
...took 115 msSearching for dmtu.mt.ns.els-gms.att.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for dmtu.mt.ns.els-gms.att.net. A record at orcu.or.br.np.els-gms.att.net. [68.94.156.130] ...took 132 ms
Searching for ns-west.cerf.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] 
...took 15 ms
Searching for ns-west.cerf.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns-west.cerf.net. A record at ns-east.cerf.net. [99.99.99.136] ...took 114 ms
Searching for 171.72.241.63.in-addr.arpa. PTR record at ns-west.cerf.net. [68.94.156.136] 
...took 138 msSearching for ns-west.cerf.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns-west.cerf.net. A record at ns-east.cerf.net. [99.99.99.136] ...took 114 ms
Nameserver ns-west.cerf.net. reports: No such host 171.72.241.63.in-addr.arpa.
Total elapsed query time: 864 ms
