Domains with DNS TXT v=spf1 include:_spf.strato.com a:otc-de-spf.mms.t-systems-service.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.strato.com a:otc-de-spf.mms.t-systems-service.com -all.
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.strato.com a:otc-de-spf.mms.t-systems-service.com -all.