Email Deliverability
llvm.org
B
73 / 90
5
MX hosts
10
MX IPs
0
Blacklisted
1
No PTR
3
No FCrDNS
Issues (6)
highDMARC policy is none (monitor only)
highMX IP 2800:3f0:4003:c0f::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 192.178.223.27 fails FCrDNS check
mediumMX IP 2a00:1450:4009:c0f::1a fails FCrDNS check
infoDKIM could not be verified