Solution for unable resolving an A record with an intranet address when using pfSense

If you are having trouble resolving a domain name with an A record as an intranet address when using pfSense, add the following field to the Custom options of your DNS Resolver settings.

server:
private-domain: "example.com"

继续阅读Solution for unable resolving an A record with an intranet address when using pfSense