The problem Consider this configuration in icecast.xml /your-mount … resulting in this error: WARN auth_url/url_add_listener auth to server http://example.com/auth_mount failed with Could not resolve host: example.com To debug, you wget -O /dev/null http://example.com/auth_mount on the same server and it works file. That means it’s Icecast itself (the daemon) that cannot resolve the hostname. This typically… Continue reading Icecast: auth to server failed with could not resolve host