Domains with DNS TXT v=spf1 mx a ip4:82.97.162.100 include:tng.de a:mail.seminareonlinebuchen.de include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx a ip4:82.97.162.100 include:tng.de a:mail.seminareonlinebuchen.de include:spf.protection.outlook.com -all.