Domains with DNS TXT v=spf1 a include:b-w-c.de include:spf.hornetsecurity.com include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all
There are 4 domains that have DNS TXT set to v=spf1 a include:b-w-c.de include:spf.hornetsecurity.com include:spf-de.emailsignatures365.com include:spf.protection.outlook.com -all. The top 4 records ordered by domain rank are listed below.