TLS expiration date report

gistfile1.sh

#!/bin/bash
doTLSCheck () {
    echo [$1]
    echo | openssl s_client -connect $1:443 -servername $1 2>/dev/null | openssl x509 -noout -dates | grep 'notAfter' | sed 's/notAfter=/expires: /g'
    echo ''
}

for dom in "$@";
do
    doTLSCheck "$dom";
done