Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spfa.arcade.ch include:_spf.psm.knowbe4.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spfa.arcade.ch include:_spf.psm.knowbe4.com -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:spfa.arcade.ch include:_spf.psm.knowbe4.com -all