Domains with DNS TXT v=spf1 a mx a:mailgw1.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx a:mailgw1.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com -all.