Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.sendinblue.com mx -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.sendinblue.com mx -all.