Hi, on a fresh debian system I followed this installation guide https://www.knot-resolver.cz/documentation/stable/quickstart-install.html The package installed successfully, but after that things get a bit more difficult The installed gpg key is expired "verfallen" means expired. Sorry that system speaks german (german hoster). Makes it kind of hard to install kresd. :-) And while we are at it, why are there no kresd packages for the raspberry pi? Please!!! Kind regards /Ulrich