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According to Live Direct Marketing's daily DNS scan (July 12, 2026), w3schools.com (Tranco rank #874) receives mail via Google Workspace and sends through Zendesk, Amazon SES, Brevo (ex-Sendinblue). Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Google Workspace |
|---|---|
| ESPs in SPF | Zendesk, Amazon SES, Brevo (ex-Sendinblue) |
| SaaS senders in SPF | Shopify |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:postmaster@w3schools.com; pct=100; adkim=r; aspf=s |
| Tranco rank | #874 |
| Snapshot | 2026-07-12 (updated daily) |
w3schools.com uses Google Workspace for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
w3schools.com authorises Zendesk, Amazon SES, Brevo (ex-Sendinblue) in its SPF record as of July 12, 2026.
Yes — w3schools.com publishes p=reject, the strictest DMARC policy (as of July 12, 2026).