Domains with DNS TXT v=spf1 a:ip-list.mail.ustclug.org include:_spf.google.com include:spf.protection.outlook.com include:mailgun.org ~all

There is 1 domain that have DNS TXT set to v=spf1 a:ip-list.mail.ustclug.org include:_spf.google.com include:spf.protection.outlook.com include:mailgun.org ~all.

We're currently tracking 358,936,153 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.