Domains with DNS TXT v=spf1 +a +mx include:_spf.bigcommerce.com -all include:mailgun.org ~all include:_spf.google.com ~all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx include:_spf.bigcommerce.com -all include:mailgun.org ~all include:_spf.google.com ~all.