Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:mail.sitewalk.com include:spf.mx.interum.li -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:mail.sitewalk.com include:spf.mx.interum.li -all.