Domains with DNS TXT v=spf1 +a +mx +a:s488.proservers.host include:authsmtp.com include:userinclude.dme3ds1.com -all

There are 18 domains that have DNS TXT set to v=spf1 +a +mx +a:s488.proservers.host include:authsmtp.com include:userinclude.dme3ds1.com -all. The top 18 records ordered by domain rank are listed below.

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