Email Deliverability
businesstoday.com.tw
C
55 / 90
1
MX hosts
9
MX IPs
0
Blacklisted
2
No PTR
3
No FCrDNS
Issues (7)
criticalNo SPF record
criticalNo DMARC record
highMX IP 64.233.180.26 has no PTR (reverse DNS)
highMX IP 2607:f8b0:4004:c1b::1a has no PTR (reverse DNS)
mediumMX IP 2607:f8b0:4004:c17::1a fails FCrDNS check
lowOnly one MX host
infoDKIM could not be verified