Domains with DNS TXT v=spf1 +ip4:50.6.138.56 +include:_spf.rdstation.com.br +include:sendgrid.net ~all

There is 1 domain that have DNS TXT set to v=spf1 +ip4:50.6.138.56 +include:_spf.rdstation.com.br +include:sendgrid.net ~all.

Top Domains with TXT set to v=spf1 +ip4:50.6.138.56 +include:_spf.rdstation.com.br +include:sendgrid.net ~all