ssl_dates.zsh

function ssl_dates () {
	local rem_host="${1}"
	local rem_port="${2:-443}"
	[[ -n $rem_host ]] || {
		echo 'USAGE: ssl_dates host.example.com [8443]' && return 1
	}
	echo '' | openssl s_client -servername "${rem_host}" -showcerts -connect "${rem_host}:${rem_port}" | openssl x509 -noout -dates
}