Domains with DNS TXT v=spf1 a mx ptr include:spf.protection.outlook.com ip4:62.160.251.62 a:smtp.notes.ce.collabserv.com a:authsmtp.havas.com a:authsmtpex.havas.com include:spf.messagelabs.com include:servers.mcsv.net ~all

There are 3 domains that have DNS TXT set to v=spf1 a mx ptr include:spf.protection.outlook.com ip4:62.160.251.62 a:smtp.notes.ce.collabserv.com a:authsmtp.havas.com a:authsmtpex.havas.com include:spf.messagelabs.com include:servers.mcsv.net ~all. The top 3 records ordered by domain rank are listed below.

We're currently tracking 295,516,613 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.