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Email infrastructure of reasonsecurity.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), reasonsecurity.com (Tranco rank #11,011) receives mail via Google Workspace and sends through Mailchimp, SendGrid (Twilio), Zendesk. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Google Workspace
ESPs in SPFMailchimp, SendGrid (Twilio), Zendesk
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; rua=mailto:dmarc-reports@reasonsecurity.com;
Tranco rank#11,011
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does reasonsecurity.com use?

reasonsecurity.com uses Google Workspace for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

What ESP does reasonsecurity.com use?

reasonsecurity.com authorises Mailchimp, SendGrid (Twilio), Zendesk in its SPF record as of July 13, 2026.

Does reasonsecurity.com enforce DMARC?

Yes — reasonsecurity.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).

DNS records say who should deliver your mail — they don't say whether it lands in the inbox. Run a free inbox placement test for reasonsecurity.com at Gmail, Outlook, Yandex and Mail.ru.
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