Domains with DNS TXT v=spf1 a mx ptr ip4:193.53.139.60 ip4:193.53.139.61 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ptr ip4:193.53.139.60 ip4:193.53.139.61 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all.