Domains with DNS TXT v=spf1 a mx include:s435.smtp-spf.sureserver.com include:sendgrid.net include:_spf.google.com include:researchwonks.com include:167.172.130.41 ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:s435.smtp-spf.sureserver.com include:sendgrid.net include:_spf.google.com include:researchwonks.com include:167.172.130.41 ~all.

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