Email Deliverability
uni-freiburg.de
B
68 / 90
4
MX hosts
8
MX IPs
0
Blacklisted
2
No PTR
2
No FCrDNS
Issues (5)
criticalNo DMARC record
highSPF record has no 'all' mechanism
highMX IP 2001:638:d:c303:acdc:1979:2:2f has no PTR (reverse DNS)
highMX IP 2001:638:d:c302:acdc:1979:2:2f has no PTR (reverse DNS)
infoDKIM could not be verified