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There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.1984.is include:_spf.vist.is include:zcsend.net include:transmail.net -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.1984.is include:_spf.vist.is include:zcsend.net include:transmail.net -all