Domains with DNS TXT v=spf1 include:_spfcf1.course-notes.org include:_spfcf2.course-notes.org include:_spfcf3.course-notes.org include:_spf.google.com include:spf.mandrillapp.com include:sparkpostmail.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_spfcf1.course-notes.org include:_spfcf2.course-notes.org include:_spfcf3.course-notes.org include:_spf.google.com include:spf.mandrillapp.com include:sparkpostmail.com ~all.

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