Domains with DNS TXT v=spf1 ip4:145.131.182.13 a:centraal.noorscholen.nl a:mailrelay.cloudsource.nl include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:145.131.182.13 a:centraal.noorscholen.nl a:mailrelay.cloudsource.nl include:spf.protection.outlook.com -all.