Email Deliverability
kcl.ac.uk
B
76 / 100
1
MX hosts
4
MX IPs
0
Blacklisted
4
No PTR
4
No FCrDNS
Issues (7)
highMX IP 52.101.73.19 has no PTR (reverse DNS)
highMX IP 52.101.73.24 has no PTR (reverse DNS)
highMX IP 52.101.68.16 has no PTR (reverse DNS)
highMX IP 52.101.68.0 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)
lowDMARC policy is quarantine, not reject
lowOnly one MX host