Email Deliverability
stackmail.com
C
64 / 100
1
MX hosts
4
MX IPs
0
Blacklisted
3
No PTR
3
No FCrDNS
Issues (6)
criticalNo DMARC record
highNo DKIM selectors found
highMX IP 52.101.73.4 has no PTR (reverse DNS)
highMX IP 52.101.68.25 has no PTR (reverse DNS)
highMX IP 52.101.68.16 has no PTR (reverse DNS)
lowOnly one MX host