Email Deliverability
nielsen.com
A
90 / 100
5
MX hosts
10
MX IPs
0
Blacklisted
1
No PTR
1
No FCrDNS
Issues (3)
highSPF record has no 'all' mechanism
highMX IP 2800:3f0:4003:c0f::1a has no PTR (reverse DNS)
lowDMARC policy is quarantine, not reject
nielsen.com