Domains with DNS TXT v=spf1 a mx include:spf-b.a2zinc.net include:us._netblocks.mimecast.com include:relay.mailchannels.net include:mailgun.org ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf-b.a2zinc.net include:us._netblocks.mimecast.com include:relay.mailchannels.net include:mailgun.org ~all.

We're currently tracking 371,599,458 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.