Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:gate1.sikkermail.nu a:gate2.sikkermail.nu include:_spf.comasys.dk -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:gate1.sikkermail.nu a:gate2.sikkermail.nu include:_spf.comasys.dk -all.