Email Deliverability
chat.blesk.cz
C
62 / 90
7
MX hosts
12
MX IPs
0
Blacklisted
4
No PTR
4
No FCrDNS
Issues (7)
criticalNo DMARC record
highMX IP 2800:3f0:4003:c14::1b has no PTR (reverse DNS)
highMX IP 2800:3f0:4003:c14::1b has no PTR (reverse DNS)
highMX IP 62.77.119.75 has no PTR (reverse DNS)
highMX IP 62.77.119.76 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
infoDKIM could not be verified