503 Service Unavailable on Nostr: what if… target triplets but for browsers gecko-mozilla-firefox blink-google-chrome ...

what if… target triplets but for browsers

gecko-mozilla-firefox
blink-google-chrome
blink-google-chromium
blink-opera-opera
blink-microsoft-edge
edgehtml-microsoft-edge (deprecated)
webkit-apple-safari
webkit-gnome-epiphany
servo-mozilla-unknown (deprecated)
servo-linuxfoundation-unknown
ladybird-serenityos-browser-native
ladybird-serenityos-browser-qt
shadow-canadahonk-unknown