Domains with DNS TXT v=spf1 a mx include:relay.worldspice.net include:spf.constantcontact.com include:mandrillapp.com ~all

There are 13 domains that have DNS TXT set to v=spf1 a mx include:relay.worldspice.net include:spf.constantcontact.com include:mandrillapp.com ~all. The top 13 records ordered by domain rank are listed below.

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