Email Deliverability
simonwillison.net
C
67 / 100
7
MX hosts
14
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (5)
criticalNo SPF record
highDMARC policy is none (monitor only)
highNo DKIM selectors found
highMX IP 2800:3f0:4003:c0f::1a has no PTR (reverse DNS)
highMX IP 2800:3f0:4003:c0f::1b has no PTR (reverse DNS)