Domains with DNS TXT v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:_spf.previo.app ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:_spf.previo.app ~all.