Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:aahddiscuss.topicbox.com include:ab.sendgrid.net -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:aahddiscuss.topicbox.com include:ab.sendgrid.net -all.