Email Deliverability
krystal.io
A
86 / 100
5
MX hosts
7
MX IPs
0
Blacklisted
1
No PTR
2
No FCrDNS
Issues (5)
highDMARC policy is none (monitor only)
highMX IP 2800:3f0:4003:c14::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
mediumMX IP 2607:f8b0:4004:c27::1b fails FCrDNS check
info1 of 5 MX host(s) could not be resolved