Domains with DNS TXT v=spf1 include:sendersrv.com include:hotmail.com include:outlook.com include:mailgun.org include:amazonses.com include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:sendersrv.com include:hotmail.com include:outlook.com include:mailgun.org include:amazonses.com include:spf.protection.outlook.com ~all.