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