Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.ccnet.cz include:spf.dsko.cz -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.ccnet.cz include:spf.dsko.cz -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:spf.ccnet.cz include:spf.dsko.cz -all