Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com ip4:52.6.112.187 include:navigacloud.com include:bounce.virtrugateway.com include:relay.bswift.com include:spf.happyfox.com exists:%{i}.spf.hc5878-59.iphmx.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com ip4:52.6.112.187 include:navigacloud.com include:bounce.virtrugateway.com include:relay.bswift.com include:spf.happyfox.com exists:%{i}.spf.hc5878-59.iphmx.com -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com ip4:52.6.112.187 include:navigacloud.com include:bounce.virtrugateway.com include:relay.bswift.com include:spf.happyfox.com exists:%{i}.spf.hc5878-59.iphmx.com -all