Domains with DNS TXT v=spf1 +a +mx +ip4:51.79.79.189 +ip4:216.172.179.254 include:_spf.rdstation.com.br include:sendgrid.net include:emailsrvr.com ~all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:51.79.79.189 +ip4:216.172.179.254 include:_spf.rdstation.com.br include:sendgrid.net include:emailsrvr.com ~all.