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There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.mtasv.net include:au._netblocks.mimecast.com include:19911083.spf03.hubspotemail.net ~all.

Top Domains with TXT set to v=spf1 a mx include:spf.mtasv.net include:au._netblocks.mimecast.com include:19911083.spf03.hubspotemail.net ~all