Try the following:
$ nslookup github.com
[...]
Non-authoritative answer:
Name: github.com
Address: 140.82.121.3
See also the completely ignored post in their forums.
Try the following:
$ nslookup github.com
[...]
Non-authoritative answer:
Name: github.com
Address: 140.82.121.3
See also the completely ignored post in their forums.
deleted by creator
Here: https://www.ssllabs.com/ssltest/analyze.html?d=github.com
Here: “yes it does support TLS1.3”
I shared the link partially because it’s a useful utility to check any public server TLS configs for vulnerabilities.