Reverse DNS Lookup for 37.239.100.68

Searching for 68.100.239.37.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for 68.100.239.37.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms

Searching for rirns.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for rirns.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 149 ms

Searching for 68.100.239.37.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53] ...took 91 ms

Searching for ns2.earthlinkiq.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns2.earthlinkiq.com. A record at h.gtld-servers.net. [192.54.112.30] ...took 7 ms
Searching for ns2.earthlinkiq.com. A record at ns1.earthlinkiq.com. [109.224.14.46] ...took 69 ms

Searching for 68.100.239.37.in-addr.arpa. PTR record at ns2.earthlinkiq.com. [109.224.13.46] ...took 70 ms
SERVFAIL
Searching for 68.100.239.37.in-addr.arpa. PTR record at ns1.earthlinkiq.com. [109.224.14.46] ...took 70 ms
REFUSED
Searching for 68.100.239.37.in-addr.arpa. PTR record at ns1.earthlinkiq.com. [109.224.14.46] ...took 73 ms
REFUSED
Searching for 68.100.239.37.in-addr.arpa. PTR record at ns2.earthlinkiq.com. [109.224.13.46] ...took 71 ms
SERVFAIL

None of the nameservers responded correctly.

Total elapsed query time: 662 ms