duolingo.com

Checked 5/14/2026, 10:53:15 PM · 3ms

Solid: p=reject is enforced.

DMARC record

v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r

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

All tags (8)

vDMARC1DMARC version
prejectPolicy for the domain
sprejectPolicy for subdomains
fo1Failure reporting options
ruamailto:[email protected],mailto:[email protected],mailto:[email protected]Aggregate report URIs
rufmailto:[email protected]Forensic (failure) report URIs
adkimr (relaxed)DKIM alignment mode
aspfr (relaxed)SPF alignment mode

SPF record

Found on the apex domain.

v=spf1 ip4:100.25.59.11 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:52.73.203.75 ip4:52.70.130.33 include:amazonses.com include:_spf.google.com include:_spf.salesforce.com include:mail.zendesk.com include:aspmx.pardot.com ~all

Recommendations

adkim=r (relaxed) is fine for most deployments. Consider adkim=s only if your DKIM signing matches the From: domain exactly.
aspf=r (relaxed) is fine for most deployments. Consider aspf=s only if your Return-Path aligns with the From: domain exactly.

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