Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:143453313.spf06.hubspotemail.net ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:143453313.spf06.hubspotemail.net ~all.