Domains with DNS TXT v=spf1 include:_spf.salesforce.com include:_spf.act-on.net include:sendgrid.net include:mailgun.org include:spamtitan.mysandia.com include:50.233.156.210 ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.salesforce.com include:_spf.act-on.net include:sendgrid.net include:mailgun.org include:spamtitan.mysandia.com include:50.233.156.210 ~all.