Domains with DNS TXT v=spf1 include:spf.host4u.dk include:spf.protection.outlook.com include:_spf.comasys.dk -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.host4u.dk include:spf.protection.outlook.com include:_spf.comasys.dk -all.