This is happening again. I checked one of my domains and it says:
Your connection is not private
Attackers might be trying to steal your information from
www.mydomaincontact.com (for example, passwords, messages, or credit cards). Learn more
NET::ERR_CERT_DATE_INVALID
This server could not prove that it is
www.mydomaincontact.com; its security certificate expired yesterday. This may be caused by a misconfiguration or an attacker intercepting your connection. Your computer's clock is currently set to Sunday, November 26, 2017. Does that look right? If not, you should correct your system's clock and then refresh this page.
Proceed to
www.mydomaincontact.com (unsafe)