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Email infrastructure of congress.gov

According to Live Direct Marketing's daily DNS scan (July 13, 2026), congress.gov (Tranco rank #2,375) receives mail via Generic / unmatched (mx*.*). Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Generic / unmatched (mx*.*)
ESPs in SPFnone detected
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1;p=reject;sp=reject;fo=1;rua=mailto:congressgovdmarc_reports@loc.gov;ruf=mailto:congressgovdmarc_ruf@loc.gov;rf=afrf;pct=100
Tranco rank#2,375
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does congress.gov use?

congress.gov uses Generic / unmatched (mx*.*) for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does congress.gov enforce DMARC?

Yes — congress.gov 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 congress.gov at Gmail, Outlook, Yandex and Mail.ru.
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