Email Deliverability
polygon.com
C
54 / 90
5
MX hosts
7
MX IPs
4
Blacklisted
1
No PTR
4
No FCrDNS
Issues (12)
highMX IP 142.250.31.26 is blacklisted
highMX IP 172.253.116.26 is blacklisted
highMX IP 108.177.123.27 is blacklisted
highMX IP 108.177.123.26 is blacklisted
highMX IP 2800:3f0:4003:c0f::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 142.250.31.26 fails FCrDNS check
mediumMX IP 108.177.123.27 fails FCrDNS check
mediumMX IP 108.177.123.26 fails FCrDNS check
lowDMARC policy is quarantine, not reject
lowDMARC has no reporting address
infoDKIM could not be verified