Email Deliverability
os.tc
D
51 / 100
3
MX hosts
18
MX IPs
3
Blacklisted
6
No PTR
6
No FCrDNS
Issues (18)
highNo DKIM selectors found
highMX IP 162.159.205.17 is blacklisted
highMX IP 162.159.205.18 is blacklisted
highMX IP 162.159.205.19 is blacklisted
highMX IP 162.159.205.11 is blacklisted
highMX IP 162.159.205.13 is blacklisted
highMX IP 162.159.205.12 is blacklisted
highMX IP 162.159.205.24 is blacklisted
highMX IP 162.159.205.23 is blacklisted
highMX IP 162.159.205.25 is blacklisted
highMX IP 162.159.205.13 has no PTR (reverse DNS)
highMX IP 162.159.205.12 has no PTR (reverse DNS)
highMX IP 2606:4700:f5::b has no PTR (reverse DNS)
highMX IP 2606:4700:f5::d has no PTR (reverse DNS)
highMX IP 2606:4700:f5::c has no PTR (reverse DNS)
highMX IP 2606:4700:f5::11 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC has no reporting address