Domains with DNS TXT v=spf1 a mx include:_spf.iguest.be include:spf.protection.outlook.com ip4:154.52.35.150 ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.iguest.be include:spf.protection.outlook.com ip4:154.52.35.150 ~all.