Tonight our website https://guestme.live went down because an SSL issue. On my browser Chrome I get this error : NET::ERR_CERT_DATE_INVALID.
Looking for the certificate provided by firebase hosting (from letsencrypt), the expiration date is 13 feb. 2017. Don't know why it hasn't be renewed and how to resolve this issue. I try to contact firebase support...
Validity
Not Before: Nov 15 22:08:00 2016 GMT
Not After : Feb 13 22:08:00 2017 GMT