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Email infrastructure of whatnot.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), whatnot.com (Tranco rank #8,324) receives mail via Proofpoint and sends through Proofpoint, Zendesk, Mandrill. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Proofpoint
ESPs in SPFProofpoint, Zendesk, Mandrill, Amazon SES
SaaS senders in SPFDocebo (LMS), Atlassian (Jira/Confluence)
DMARC policyp=quarantine
DMARC recordv=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:d46f123a48ba4be6bc5b764f09ec1483@dmarc-reports.cloudflare.net,mailto:dmarc-reports@whatnot.com; ruf=mailto:dmarc-reports@whatnot.com;
Tranco rank#8,324
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does whatnot.com use?

whatnot.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.

What ESP does whatnot.com use?

whatnot.com authorises Proofpoint, Zendesk, Mandrill, Amazon SES in its SPF record as of July 13, 2026.

Does whatnot.com enforce DMARC?

Partially — whatnot.com publishes p=quarantine (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 whatnot.com at Gmail, Outlook, Yandex and Mail.ru.
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