Domains with DNS TXT v=spf1 mx a ptr ip4:74.221.216.133 include:_spf.google.com include:sendgrid.net ~all

There is 1 domain that have DNS TXT set to v=spf1 mx a ptr ip4:74.221.216.133 include:_spf.google.com include:sendgrid.net ~all.

Top Domains with TXT set to v=spf1 mx a ptr ip4:74.221.216.133 include:_spf.google.com include:sendgrid.net ~all