Take a look through this Topic. It may help you:
Try this command in a powershell:
Test-NetConnection api.cryptlex.com -p 443
Does this return true or false? If false that means there’s something preventing you from getting to the port.
If the above returns false, let’s see if your DNS is at least working correctly:
Resolve-DnsName api.cryptlex.com
Are you getting an IP address returned? Should look like this:
Name Type TTL Section IPAddress
---- ---- --- ------- ---------
api.cryptlex.com A 60 Answer 54.144.124.187
api.cryptlex.com A 60 Answer 54.144.46.201