Domains with DNS TXT v=spf1 include:_spf.google.com include:servers.mcsv.net include:zcsend.net include:sendgrid.net ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.google.com include:servers.mcsv.net include:zcsend.net include:sendgrid.net ~all.