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#!/bin/bash
usage() {
echo "Usage: $(basename "$0") <vhost>"
}
if [[ -z "$1" ]]; then
usage
exit 1
fi
vhost="$1"
echo "Checking https://${vhost}:443..."
openssl s_client \
-connect "${vhost}:443" \
-servername "$vhost" \
<<<"$(echo -en "Host: ${vhost}\nGET /\n")" |& \
openssl x509 -text | \
grep -Eo '(Subject|DNS):.*?'
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