Email Deliverability
instructables.com
B
78 / 100
1
MX hosts
4
MX IPs
0
Blacklisted
4
No PTR
4
No FCrDNS
Issues (6)
highMX IP 40.93.192.1 has no PTR (reverse DNS)
highMX IP 52.101.41.3 has no PTR (reverse DNS)
highMX IP 52.101.10.14 has no PTR (reverse DNS)
highMX IP 52.101.8.46 has no PTR (reverse DNS)
lowDMARC policy is quarantine, not reject
lowOnly one MX host