Email Deliverability
c1.biz
C
62 / 90
1
MX hosts
1
MX IPs
0
Blacklisted
1
No PTR
1
No FCrDNS
Issues (5)
criticalNo SPF record
criticalNo DMARC record
highMX IP 185.176.40.125 has no PTR (reverse DNS)
lowOnly one MX host
infoDKIM could not be verified