Domains with DNS TXT v=spf1 a include:authsmtp.com include:spf_yzs.yard.nl include:spf_cluster.yard.nl include:spf.protection.outlook.com -all

There is 1 domain that have DNS TXT set to v=spf1 a include:authsmtp.com include:spf_yzs.yard.nl include:spf_cluster.yard.nl include:spf.protection.outlook.com -all.

We're currently tracking 293,694,412 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.