Domains with DNS TXT v=spf1 a mx ip4:50.28.16.7 include:smart-hosts.net -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:50.28.16.7 include:smart-hosts.net -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:50.28.16.7 include:smart-hosts.net -all.