Email Deliverability
mastodon.social
B
78 / 100
1
MX hosts
9
MX IPs
0
Blacklisted
2
No PTR
4
No FCrDNS
Issues (7)
highMX IP 2607:f8b0:4004:c07::1b has no PTR (reverse DNS)
highMX IP 2607:f8b0:4004:c29::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 173.194.45.27 fails FCrDNS check
mediumMX IP 64.233.180.26 fails FCrDNS check
lowDMARC policy is quarantine, not reject
lowOnly one MX host