oh my lawd oh my god what oh my dear friends what does the following mean: "Then tweak internal DNS server" could there be a little more elobration on that point - thank you my dear friends. i am in great pain, in agony, i'm on fire like the fat guy who ate at lazarus' table and is now burning in the lake of sulphur i suppose i shall continue to burn until i fix this masquarading issue and I want to spare you all my agony with clearer explanations: which i will do once i work out how to do it all.
Then tweak internal DNS server
You can either tweak all PCs in your intranet by editing hosts files which can override the data returned from DNS server.
Or you can tweak your DNS server (or forwarder) to return the internal server IP instead of the public one.