Domains with DNS TXT v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.ccm-service.de include:spf.postal.ccm-service.de -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.ccm-service.de include:spf.postal.ccm-service.de -all.

Top Domains with TXT set to v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.ccm-service.de include:spf.postal.ccm-service.de -all