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Email infrastructure of americanheart.org

According to Live Direct Marketing's daily DNS scan (July 25, 2026), americanheart.org (Tranco rank #42,271) publishes no classifiable email DNS records. Its observed DMARC policy is p=reject. Across this dataset, 47% of DMARC publishers use an enforcing policy; this does not show where a specific message landed.

Last updated: July 25, 2026.

Mailbox provider (MX)	no MX / not classified
ESPs in SPF	none detected
SaaS senders in SPF	none detected
DMARC policy	p=reject
DMARC record	`v=DMARC1;""p=reject;""sp=reject;""fo=1;""rua=mailto:dmarc_rua@emaildefense.proofpoint.com;""ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com`
Tranco rank	#42,271
Snapshot	2026-07-25 (updated daily)

How to interpret these observations

MX identifies the observed inbound mailbox or gateway. SPF includes identify services authorised to send for the domain. DMARC shows the published authentication policy. The dataset currently contains 1 populated signal groups for this page.

Observed deliverability context: based on the available observations, this page describes DNS configuration only. It does not represent a complete audit of americanheart.org and does not prove that a particular message reaches the inbox or spam folder.

Frequently asked questions

What email provider does americanheart.org use?

americanheart.org has no classifiable MX record as of July 25, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does americanheart.org enforce DMARC?

Yes — americanheart.org publishes p=reject, the strictest DMARC policy (as of July 25, 2026).

How americanheart.org compares

Same daily dataset, three views: how its mailbox provider is trending, how strict DMARC is at its position in the list, and where its own policy sits among all DMARC publishers in the dataset.

DMARC enforced by list position

Policy maturity of all DMARC publishers

Modern mail security across the dataset

Adoption of the records that go beyond SPF and DMARC. Shown for the whole snapshot — per-domain detail lives on the security posture report.

0.00%publish MTA-STS

0.00%publish TLS-RPT

0.00%publish BIMI

Where americanheart.org stands

The same snapshot cut by zone, by list position and by how alive the published policies are.

At this list position the top three mailbox providers hold 60.7% of domains (Google Workspace, Microsoft 365, Unknown / Other).
Across the dataset 25.0% of DMARC records are inert — policy does nothing and no reports are collected.

Related domain statistics

Nearby domains in the Tranco ranking: factsetdigitalsolutions.com · norkon.net · transfermarkt.world · vokrug.tv

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