Domains with DNS TXT v=spf1 include:_spf.google.com include:salsalabs.net include:salsalabs.org include:relay.mailchannels.net include:_spfprod.ngpvan.com ~all

There are 21 domains that have DNS TXT set to v=spf1 include:_spf.google.com include:salsalabs.net include:salsalabs.org include:relay.mailchannels.net include:_spfprod.ngpvan.com ~all. The top 21 records ordered by domain rank are listed below.

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