Domains with DNS TXT v=spf1 a include:_spf.google.com ip4:66.238.228.130 ip4:160.153.1.243 include:sparkpostmail.com include:_spf.psm.knowbe4.com ~all

There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.google.com ip4:66.238.228.130 ip4:160.153.1.243 include:sparkpostmail.com include:_spf.psm.knowbe4.com ~all.

Top Domains with TXT set to v=spf1 a include:_spf.google.com ip4:66.238.228.130 ip4:160.153.1.243 include:sparkpostmail.com include:_spf.psm.knowbe4.com ~all