Domains with DNS TXT v=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com include:spf.happyfox.com include:_spfprod.ngpvan.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com include:spf.happyfox.com include:_spfprod.ngpvan.com ~all.

Top Domains with TXT set to v=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com include:spf.happyfox.com include:_spfprod.ngpvan.com ~all