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Email infrastructure of useinsider.com

According to Live Direct Marketing's daily DNS scan (July 13, 2026), useinsider.com (Tranco rank #2,294) receives mail via FireEye and sends through HubSpot, FireEye / Trellix, Zendesk. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)FireEye
ESPs in SPFHubSpot, FireEye / Trellix, Zendesk
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; pct=100; rua=mailto:dmarc@useinsider.com; ruf=mailto:dmarc@useinsider.com; fo=1
Tranco rank#2,294
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does useinsider.com use?

useinsider.com uses FireEye 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 useinsider.com use?

useinsider.com authorises HubSpot, FireEye / Trellix, Zendesk in its SPF record as of July 13, 2026.

Does useinsider.com enforce DMARC?

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