Domains with DNS TXT v=spf1 ip4:213.137.51.166 include:spf-de.emailsignatures365.com include:bounce.musvc.com include:musvc.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:213.137.51.166 include:spf-de.emailsignatures365.com include:bounce.musvc.com include:musvc.com include:spf.protection.outlook.com -all.