#!/bin/sh for url in \ https://corp-serv.net/.well-known/matrix/client \ https://corp-serv.net/.well-known/matrix/server \ https://element.corp-serv.net/ \ https://synapse.corp-apps.com/_matrix/client/versions; \ do domain=$(echo $url | sed -e 's,https://,,' -e 's,/.*,,') echo dig $domain dig +short $domain echo curl $url curl -I $url done