Curl

SNI header

curl --connect-to www.example.com:443:example.a:443 https://www.example.com
curl -sv   --resolve $host:443:$ip https://$host
curl --resolve example.com:443:127.0.0.1 https://example.com/
curl -vik --resolve example.com:443:198.18.110.10 https://example.com/

Non sni header (port 80 unencrypted header)

curl --header "Host: example.com" http://127.0.0.1/

https://daniel.haxx.se/blog/2018/04/05/curl-another-host/

Testing ciphers

# curl https://www.example.com -k -v --location-trusted --sslv2
curl https://www.example.com -k -v --location-trusted --tlsv1.1
curl https://www.example.com -k -v --location-trusted --tlsv1.2
curl https://www.example.com -k -v --location-trusted --tlsv1.3

for host in 10.1.1.10 10.1.1.52 10.1.1.16 10.1.1.16; do echo $host; curl --header "Host: www.example.org" http://$host/downloads/myfile.png --output /dev/null; done