Email Deliverability
surfshark.com
A
88 / 100
5
MX hosts
10
MX IPs
2
Blacklisted
1
No PTR
1
No FCrDNS
Issues (4)
highMX IP 108.177.123.27 is blacklisted
highMX IP 172.253.116.27 is blacklisted
highMX IP 2800:3f0:4003:c0f::1b has no PTR (reverse DNS)
mediumSPF uses ~all (softfail) instead of -all (hardfail)