Email security & deliverability · grade A
v=spf1 ip4:209.240.128.0/19 ip4:216.104.160.0/19 ip4:72.1.32.0/21 ip4:72.1.40.0/22 ip4:72.1.44.0/23 ip4:52.12.181.124/32 ip4:54.188.129.164/32 ip4:35.162.131.45/32 include:mail.zendesk.com -all