[CentOS] BIND issues, server not responding

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?