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Email infrastructure of ridibooks.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), ridibooks.com (Tranco rank #7,921) receives mail via Google Workspace and sends through Mailgun, 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 SPFMailgun, Zendesk
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; pct=100; rua=mailto:3ab108766b014980b16cca2f3afd2565@dmarc-reports.cloudflare.net,mailto:postmaster@ridi.com
Tranco rank#7,921
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does ridibooks.com use?

ridibooks.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 ridibooks.com use?

ridibooks.com authorises Mailgun, Zendesk in its SPF record as of July 13, 2026.

Does ridibooks.com enforce DMARC?

Yes — ridibooks.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 ridibooks.com at Gmail, Outlook, Yandex and Mail.ru.
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