Email security & deliverability · grade A
v=spf1 include:spf.protection.outlook.com include:_spf.cernercloud.com include:spf.cernerasp.com ip4:159.140.2.112/30 ip4:159.140.2.135/32 ip4:159.140.2.136/32 ip4:20.49.19.140/32 ip4:199.21.28.112/28 ip4:185.174.48.0/26 -all