Pigeon Health Check
Check yer pigeon coop fer modern laws: IPv6, DNSSEC, DMARC, DKIM, SPF, an' RPKI.
Tell us where yer pigeons live (domain), and we'll see if the coop follows the modern sea laws.
DMARC & SPF
Stops scoundrels from flyin' yer colors.
Blacklists
Checks the Dark Sea Blacklists.
STARTTLS
Makes sure the pigeons fly invisible.
DKIM
Checks the magic wax seals.