Domains with DNS TXT v=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com include:customerspf.schoolmessenger.com ~all
There are 4 domains that have DNS TXT set to v=spf1 include:_spf.google.com include:_spf.psm.knowbe4.com include:customerspf.schoolmessenger.com ~all. The top 4 records ordered by domain rank are listed below.