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There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:u995041.wl.sendgrid.net include:newsletter.mesch.ch -all.

Top Domains with TXT set to v=spf1 a include:spf.protection.outlook.com include:u995041.wl.sendgrid.net include:newsletter.mesch.ch -all