You wrote "only the boilerplate info about it being a dynamically generated file", resolv.conf has no such comment on a default installation. Do you use the "resolvconf" package?
-- [network-admin] /etc/resolv.conf gets clobbered when the OK button is pressed https://launchpad.net/bugs/60518 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
