Domains with DNS TXT v=spf1 a include:_spf.google.com include:_spf.simplero.com include:sendgrid.net include:amazonses.com include:squarespace-mail.com -all
There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.google.com include:_spf.simplero.com include:sendgrid.net include:amazonses.com include:squarespace-mail.com -all.
                DNS Data