Email Deliverability

tap.bio

A
82 / 90
4
MX hosts
8
MX IPs
0
Blacklisted
1
No PTR
1
No FCrDNS

Issues (4)

highMX IP 2800:3f0:4003:c0f::1a has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject
infoDKIM could not be verified