Reverse DNS Lookup for 66.197.186.21

Searching for 21.186.197.66.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 21.186.197.66.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 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 g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for x.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 94 ms

Searching for 21.186.197.66.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63] ...took 100 ms

Searching for ns-1918.awsdns-47.co.uk. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns-1918.awsdns-47.co.uk. A record at nsa.nic.uk. [156.154.100.3] ...took 6 ms
Searching for ns-1918.awsdns-47.co.uk. A record at g-ns-943.awsdns-47.co.uk. [205.251.195.175] ...took 6 ms

Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-1918.awsdns-47.co.uk. [205.251.199.126] ...took 11 ms
REFUSED

Searching for ns-127.awsdns-15.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns-127.awsdns-15.com. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns-127.awsdns-15.com. A record at g-ns-16.awsdns-15.com. [205.251.192.16] ...took 11 ms

Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-127.awsdns-15.com. [205.251.192.127] ...took 11 ms
REFUSED

Searching for ns-780.awsdns-33.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns-780.awsdns-33.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for ns-780.awsdns-33.net. A record at g-ns-803.awsdns-33.net. [205.251.195.35] ...took 7 ms

Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-780.awsdns-33.net. [205.251.195.12] ...took 6 ms
REFUSED

Searching for ns-1056.awsdns-04.org. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns-1056.awsdns-04.org. A record at b0.org.afilias-nst.org. [199.19.54.1] ...took 12 ms
Searching for ns-1056.awsdns-04.org. A record at g-ns-1031.awsdns-04.org. [205.251.196.7] ...took 35 ms

Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-1056.awsdns-04.org. [205.251.196.32] ...took 24 ms
REFUSED
Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-1056.awsdns-04.org. [205.251.196.32] ...took 24 ms
REFUSED
Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-127.awsdns-15.com. [205.251.192.127] ...took 11 ms
REFUSED
Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-1918.awsdns-47.co.uk. [205.251.199.126] ...took 11 ms
REFUSED
Searching for 21.186.197.66.in-addr.arpa. PTR record at ns-780.awsdns-33.net. [205.251.195.12] ...took 6 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 611 ms