Email Deliverability
douyin.com
B
84 / 100
5
MX hosts
10
MX IPs
0
Blacklisted
3
No PTR
3
No FCrDNS
Issues (5)
highMX IP 2800:3f0:4003:c0f::1b 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)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject