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Email infrastructure of citibank.com

According to Live Direct Marketing's daily DNS scan (July 12, 2026), citibank.com (Tranco rank #6,602) receives mail via Unknown / Other. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Unknown / Other
ESPs in SPFnone detected
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc.reports.rua@citi.com
Tranco rank#6,602
Snapshot2026-07-12 (updated daily)

Frequently asked questions

What email provider does citibank.com use?

citibank.com uses Unknown / Other for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does citibank.com enforce DMARC?

Yes — citibank.com publishes p=reject, the strictest DMARC policy (as of July 12, 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 citibank.com at Gmail, Outlook, Yandex and Mail.ru.
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