Curl

HOWTO

Check supported TLS version

curl -I -v --tlsv1.2 --tls-max 1.2 https://www.example.com/

Specify hostname for https request

Try

curl -H "Host: some.name" https://example.com

vague stuff, ignore https://stackoverflow.com/questions/50279275/curl-how-to-specify-target-hostname-for-https-request

curl --resolve example.com:443:192.0.2.1 https://example.com

Get only the http status code

curl -s -o /dev/null -w "%{http_code}" http://www.example.org/