Authereon.com Trust

authereon.com is configured as a non-sending, non-receiving domain.

Published controls

SPF publishes v=spf1 -all: no host is authorised to send.
A null MX record (MX 0 ., RFC 7505) declares that the domain accepts no mail.
DMARC publishes p=reject; sp=reject, covering subdomains.
A wildcard DKIM record publishes an empty key, revoking all selectors.
CAA records restrict certificate issuance to authorised certificate authorities.