Hello Ray,
Appears to be listening how I expected it to be, unless I'm not reading this right.
Running 'dig www.swhi.net @64.135.16.15'
; <<>> DiG 9.2.4 <<>> www.swhi.net @64.135.16.15 ; (1 server found) ;; global options: printcmd ;; connection timed out; no servers could be reached
Robert suggested looking at your firewall. What rules do you have related to port 53 udp?