Domains with DNS TXT v=spf1 mx include:spf.ess.barracudanetworks.com include:secureserver.net include:clickbackspf.com include:spf.zixsmbhosted.com -all

There are 3 domains that have DNS TXT set to v=spf1 mx include:spf.ess.barracudanetworks.com include:secureserver.net include:clickbackspf.com include:spf.zixsmbhosted.com -all. The top 3 records ordered by domain rank are listed below.

We're currently tracking 324,075,626 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.