Email Deliverability
4kdownload.com
B
78 / 100
5
MX hosts
10
MX IPs
0
Blacklisted
4
No PTR
8
No FCrDNS
Issues (9)
highMX IP 2800:3f0:4003:c0f::1a has no PTR (reverse DNS)
highMX IP 2a00:1450:400b:c02::1b has no PTR (reverse DNS)
highMX IP 2800:3f0:4003:c0f::1a has no PTR (reverse DNS)
highMX IP 2a00:1450:400b:c02::1a has no PTR (reverse DNS)
mediumMX IP 142.251.163.26 fails FCrDNS check
mediumMX IP 2607:f8b0:4004:c09::1b fails FCrDNS check
mediumMX IP 172.253.116.27 fails FCrDNS check
mediumMX IP 172.253.116.27 fails FCrDNS check
lowDMARC has no reporting address