Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:smtp.upv.cz a:postak.upv.cz a:mx2.upv.cz ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:smtp.upv.cz a:postak.upv.cz a:mx2.upv.cz ~all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com a:smtp.upv.cz a:postak.upv.cz a:mx2.upv.cz ~all