Email Deliverability
rustdesk.com
B
76 / 100
5
MX hosts
8
MX IPs
0
Blacklisted
2
No PTR
7
No FCrDNS
Issues (9)
highMX IP 2800:3f0:4003:c0f::1a has no PTR (reverse DNS)
highMX IP 2a00:1450:400c:c23::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 2607:f8b0:4004:c23::1a fails FCrDNS check
mediumMX IP 108.177.123.26 fails FCrDNS check
mediumMX IP 172.253.116.27 fails FCrDNS check
mediumMX IP 172.253.157.27 fails FCrDNS check
mediumMX IP 192.178.223.26 fails FCrDNS check
lowDMARC policy is quarantine, not reject