Domains with DNS TXT v=spf1 a mx ip4:189.113.166.128 ip4:189.113.166.130 include:relay.mailchannels.net include:_spf.rdstation.com.br include:sendgrid.net ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:189.113.166.128 ip4:189.113.166.130 include:relay.mailchannels.net include:_spf.rdstation.com.br include:sendgrid.net ~all.