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According to Live Direct Marketing's daily DNS scan (July 13, 2026), chegg.com (Tranco rank #7,218) receives mail via Proofpoint and sends through Zendesk. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Proofpoint |
|---|---|
| ESPs in SPF | Zendesk |
| SaaS senders in SPF | Pardot (Salesforce), Atlassian (Jira/Confluence) |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| Tranco rank | #7,218 |
| Snapshot | 2026-07-13 (updated daily) |
chegg.com uses Proofpoint for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
chegg.com authorises Zendesk in its SPF record as of July 13, 2026.
Yes — chegg.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).