Domains with DNS TXT v=spf1 a:mail.1zu1prototypen.com ip4:81.223.53.247 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
There is 1 domain that have DNS TXT set to v=spf1 a:mail.1zu1prototypen.com ip4:81.223.53.247 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all.