Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com include:_spf.transip.email include:_spf.bithost.nl -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:_spf.transip.email include:_spf.bithost.nl -all.