Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com include:spf.rpost.net include:spf.uk.signature365.net ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:spf.rpost.net include:spf.uk.signature365.net ~all.