Get RSA instead of ECDSA certificate
openssl s_client -connect example.com:443 -tls1_2 -sigalgs RSA+SHA256:RSA+SHA384:RSA+SHA512Connect with alternative SNI
openssl s_client -connect <IP or domain>:443 -servername <SNI domain>openssl s_client -connect example.com:443 -tls1_2 -sigalgs RSA+SHA256:RSA+SHA384:RSA+SHA512openssl s_client -connect <IP or domain>:443 -servername <SNI domain>