Email Deliverability
queensu.ca
B
73 / 100
7
MX hosts
16
MX IPs
0
Blacklisted
8
No PTR
8
No FCrDNS
Issues (10)
highDMARC policy is none (monitor only)
highMX IP 52.101.192.0 has no PTR (reverse DNS)
highMX IP 52.101.190.0 has no PTR (reverse DNS)
highMX IP 52.101.192.1 has no PTR (reverse DNS)
highMX IP 52.101.190.2 has no PTR (reverse DNS)
highMX IP 2a01:111:f403:c944:: has no PTR (reverse DNS)
highMX IP 2a01:111:f403:c942::3 has no PTR (reverse DNS)
highMX IP 2a01:111:f403:c942::1 has no PTR (reverse DNS)
highMX IP 2a01:111:f403:c942::2 has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)