[Firebird-website] subscribe to newsletter on left gives certificate error

[marius a. p. <ma...@gm...>]

and when it goes to
https://dfp.firebirdsql.org/en/subscribe/

chrome gives the bellow error

Your connection is not private

Attackers might be trying to steal your information from *dfp.firebirdsql.org
<http://dfp.firebirdsql.org>* (for example, passwords, messages, or credit
cards). Learn more
NET::ERR_CERT_COMMON_NAME_INVALID

Subject: cms.firebirdsql.org

Issuer: R3

Expires on: Mar 13, 2021

Current date: Feb 20, 2021