Reverse DNS Lookup for 172.58.100.115

Searching for 115.100.58.172.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 115.100.58.172.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms

Searching for x.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for x.arin.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 12 ms
Searching for x.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 166 ms

Searching for 115.100.58.172.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63] ...took 92 ms

Searching for ns10.tmobileus.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns10.tmobileus.com. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for ns10.tmobileus.com. A record at auth1.dns.cogentco.com. [66.28.0.14] ...took 11 ms

Searching for 115.100.58.172.in-addr.arpa. PTR record at ns10.tmobileus.com. [208.54.147.200] ...took 159 ms
REFUSED

Searching for ns10.tmobileus.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns10.tmobileus.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for ns10.tmobileus.net. A record at ns10.tmobileus.com. [208.54.147.200] ...took 158 ms

Searching for 115.100.58.172.in-addr.arpa. PTR record at ns10.tmobileus.net. [208.54.99.244] ...took 124 ms
REFUSED
Searching for 115.100.58.172.in-addr.arpa. PTR record at ns10.tmobileus.com. [208.54.147.200] ...took 159 ms
REFUSED
Searching for 115.100.58.172.in-addr.arpa. PTR record at ns10.tmobileus.net. [208.54.99.244] ...took 123 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 1,112 ms