Domains with DNS TXT v=spf1 ip4:50.28.53.32 +a +mx +ip4:67.227.214.143 +ip4:50.28.53.37 include:authsmtp.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:50.28.53.32 +a +mx +ip4:67.227.214.143 +ip4:50.28.53.37 include:authsmtp.com ~all.