Why 500 SSL negotiation failed?

Question

Nginx

whois.domaintools.com/wiseessays.cn
Swears at 500, the site opens after 5-10 attempts.
Can't find what's the problem?

Answer 1

Everything is fine with you:
https://ping-admin.ru/free_test/result/1574355916w...
Personally, the site opens normally for me, the problem is on the side of domaintools.com
Their checker does not know how to use TLS 1.3, that's the whole reason for 500 when checking .