Domains with DNS TXT v=spf1 a include:spf.bigbase.nl include:spf.protection.outlook.com include:_spf.cswcloud.nl ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.bigbase.nl include:spf.protection.outlook.com include:_spf.cswcloud.nl ~all.