https://www.host-tracker.com/InstantCheck/ResultComplete/6230b85d-76e5-e611-80c2-0003ff7328cc
https://talk.plesk.com/threads/https-websites-not-loading-in-ie.338346/
Изменить в файле
nano /etc/nginx/conf.d/ssl.conf
Добавить новые параметры SSL в nginx
ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_prefer_server_ciphers on; ssl_ciphers EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:EDH+aRSA:HIGH:!aNULL:!eNULL:!LOW:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!SEED:!DSS:!CAMELLIA;