Email Deliverability

dyndns.com

B
75 / 90
1
MX hosts
8
MX IPs
0
Blacklisted
0
No PTR
3
No FCrDNS

Issues (6)

mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 52.101.11.13 fails FCrDNS check
mediumMX IP 2a01:111:f403:f901:: fails FCrDNS check
mediumMX IP 2a01:111:f403:f909:: fails FCrDNS check
lowOnly one MX host
infoDKIM could not be verified