Email Deliverability
librus.pl
A
85 / 100
5
MX hosts
5
MX IPs
0
Blacklisted
0
No PTR
5
No FCrDNS
Issues (5)
mediumMX IP 173.194.45.26 fails FCrDNS check
mediumMX IP 172.253.116.26 fails FCrDNS check
mediumMX IP 108.177.123.26 fails FCrDNS check
mediumMX IP 192.178.223.26 fails FCrDNS check
mediumMX IP 172.253.157.26 fails FCrDNS check