Domains with DNS TXT v=spf1 +a +mx +ip4:72.52.138.120 include:relay.mailchannels.net ~all

There are 16 domains that have DNS TXT set to v=spf1 +a +mx +ip4:72.52.138.120 include:relay.mailchannels.net ~all. The top 16 records ordered by domain rank are listed below.

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