Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:mailgun.org ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:mailgun.org ~all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:mailgun.org ~all