Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:horitex.nl include:_spf.mach3framework.mach3server.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:horitex.nl include:_spf.mach3framework.mach3server.nl -all.