check tls version/cipher for domain list

tls.sh

#!/bin/bash

#usage: ./tls.sh domains.txt

##domains.txt:
#google.com
#cloudflare.com

# ...etc

# https://stackoverflow.com/a/11394045/5006740
IFS=$'\n' read -d '' -r -a arr < "${1}"

## now loop through the above array
for i in "${arr[@]}"
do

   printf "${i}: " && echo  "Q" | openssl s_client -connect "${i}":443 2>&1 | grep TLS | grep -i cipher

done