Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org ip4:23.253.183.219 ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org ip4:23.253.183.219 ~all.