Email Deliverability
cun.edu.co
F
38 / 100
5
MX hosts
0
MX IPs
0
Blacklisted
0
No PTR
0
No FCrDNS
Issues (3)
criticalNo MX records resolve to IP addresses
highNo DKIM selectors found
mediumSPF uses ~all (softfail) instead of -all (hardfail)
cun.edu.co