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...And everything started working again. Hopefully I can get Comcast to unblock the root servers or remove the SecurityEdge service & then I can set BIND back to use the root servers... Here's some other posts from people having similar issues, which lead me to this solution. https://forums.businesshelp.comcast.com/t5/Domain-Names-Static-IP/transparent-dns-proxying-started-after-a-modem-swap/m-p/39845 https://www.reddit.com/r/msp/comments/dikvta/comcast_securityedge/ Do your config charges still apply in forwarding only mode, or are there other changes I should make to the config? My resolv.con...

OK here's our setup, we're running pfSense as our firewall/router. We have a dual-WAN with a Comcast Business Gateway and another local ISP. We're running Samba 4.7.6 as the AD DC & Bind 9.9.4. Here's the issue, we just upgraded our Comcast service to a higher speed & they replaced the modem/gateway. Everything was working fine, before the modem swap. Once they did