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There is 1 domain that have DNS TXT set to v=spf1 a mx a:spf.mas.t-systems-service.com a:dd36614.kasserver.com a:w014e4a8.kasserver.com mx:mail.ccmailer.de ip4:80.228.82.171 include:spf.protection.outlook.com -all.

Top Domains with TXT set to v=spf1 a mx a:spf.mas.t-systems-service.com a:dd36614.kasserver.com a:w014e4a8.kasserver.com mx:mail.ccmailer.de ip4:80.228.82.171 include:spf.protection.outlook.com -all