Email Deliverability
businessinsider.com.pl
A
80 / 90
1
MX hosts
1
MX IPs
0
Blacklisted
1
No PTR
1
No FCrDNS
Issues (4)
highMX IP 213.180.147.146 has no PTR (reverse DNS)
lowDMARC policy is quarantine, not reject
lowOnly one MX host
infoDKIM could not be verified