Domains with DNS TXT v=spf1 a mx include:sfp.zyxel.eu include:spf.protection.outlook.com include:mktomail.com include:mail.zendesk.com ~all

There are 8 domains that have DNS TXT set to v=spf1 a mx include:sfp.zyxel.eu include:spf.protection.outlook.com include:mktomail.com include:mail.zendesk.com ~all. The top 8 records ordered by domain rank are listed below.

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