americanexpress.com

Checked 5/14/2026, 10:53:15 PM · 11ms

Solid: p=reject is enforced.

DMARC record

v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]

Policy (p): reject
Subdomain policy (sp): inherits p=reject
Enforcement % (pct): 100%
DKIM alignment (adkim): unset · defaults to r (relaxed)
SPF alignment (aspf): unset · defaults to r (relaxed)
Aggregate reports (rua): mailto:[email protected]
Failure reports (ruf): mailto:[email protected]

All tags (5)

vDMARC1DMARC version
prejectPolicy for the domain
fo1Failure reporting options
ruamailto:[email protected]Aggregate report URIs
rufmailto:[email protected]Forensic (failure) report URIs

SPF record

Found on the apex domain.

v=spf1 ip4:63.241.217.23 ip4:74.125.149.0/24 ip4:74.125.150.0/24 ip4:66.119.44.14 ip4:66.119.44.13 ip4:66.244.67.0/24 ip4:199.3.18.4 ip4:148.173.88.0/26 ip4:148.173.96.128/26 -all

Recommendations

DKIM alignment (adkim) is unset, so it defaults to r (relaxed). That is fine for most deployments. Set adkim=s explicitly only if your DKIM d= header matches the From: domain exactly.
SPF alignment (aspf) is unset, so it defaults to r (relaxed). That is fine for most deployments. Set aspf=s explicitly only if your Return-Path aligns with the From: domain exactly.

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