Domains with DNS TXT v=spf1 +a +mx +a:server01.kieslinghosting.nl +include:spf.protection.outlook.com +include:_spf.mailplus.nl -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +a:server01.kieslinghosting.nl +include:spf.protection.outlook.com +include:_spf.mailplus.nl -all.