Domains with DNS TXT v=spf1 a mx a:otc-de-spf.mms.t-systems-service.com include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx a:otc-de-spf.mms.t-systems-service.com include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all.

We're currently tracking 358,449,727 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.