I did exactly this 15 years ago. I was a C++ developer and there was no golang around yet. And Bind had fresh security bugs every month. So the easiest and safe

I did exactly this 15 years ago. I was a C++ developer and there was no golang around yet. And Bind had fresh security bugs every month. So the easiest and safest thing I could do was use djbdns (tinydns) with its cdb files being recompiled whenever records had to be added or updated.