Email Deliverability
poznan.pl
C
67 / 100
1
MX hosts
2
MX IPs
1
Blacklisted
0
No PTR
0
No FCrDNS
Issues (5)
highNo DKIM selectors found
highMX IP 142.251.167.27 is blacklisted
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject
lowOnly one MX host