Email Deliverability
windguru.cz
A
87 / 100
2
MX hosts
4
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (3)
highDMARC policy is none (monitor only)
highMX IP 2a00:4b40:aaaa:2101:45:13:137:7 has no PTR (reverse DNS)
highMX IP 2a00:4b40:aaaa:2101:45:13:137:111 has no PTR (reverse DNS)