Domains with DNS TXT v=spf1 include:spf.protection.outlook.com -all include:spf.strongport.com include:zswitch.net include:_spf.optimalblue.com include:clg1-net.spf.smtp25.com include:autotask.net ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com -all include:spf.strongport.com include:zswitch.net include:_spf.optimalblue.com include:clg1-net.spf.smtp25.com include:autotask.net ~all.

We're currently tracking 467,817,821 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.