> Yes, I agree it sounds like a lookup issue. Pls. bear with me as I am a simple "user" of FBSD, not a sysadmin or FBSD expert:
issue, I honestly wouldn't know how to debug for a reverse lookup issue.
you could simply put a line into your jail's /etc/hosts for your private IP as there's probably no DNS cache that resolves something like 184.108.40.206.in-addr.arpa for you.