Domains with DNS TXT v=spf1 include:zcsend.net include:_spf.paubox.com include:_spf.google.com include:transmail.net -all
There is 1 domain that have DNS TXT set to v=spf1 include:zcsend.net include:_spf.paubox.com include:_spf.google.com include:transmail.net -all.