Notices about special properties of certain domains.
Values:
DOMAIN_NOTICE_UNSPECIFIED (0):
The notice is undefined.
HSTS_PRELOADED (1):
Indicates that the domain is preloaded on the HTTP Strict
Transport Security list in browsers. Serving a website on
such domain requires an SSL certificate. For details, see
how to get an SSL
certificate <https://support.google.com/domains/answer/7638036>__.
