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duckduckgo.com

80/100

B

Scanned 2026-05-12

Cached result — add ?fresh=1 to force a new scan

Subcheck breakdown

Check	Status	Score
DMARC policy	reject	25/25
SPF record	ok	10/10
DKIM selector	found	10/10
TLS certificate	ok	20/20
WHOIS integrity	whois rate limited	5/10
Subdomain takeover	ct logs busy	10/15
MTA-STS / TLSRPT	missing	0/5
DNSSEC	unsigned	0/5

Recommendations

Publish MTA-STS: add _mta-sts.duckduckgo.com TXT and host a policy at https://mta-sts.duckduckgo.com/.well-known/mta-sts.txt
Enable DNSSEC on duckduckgo.com — DS records must be published to the com zone by your registrar

Details

Area	Detail
DMARC	v=DMARC1; p=reject; pct=100; rua=mailto:n1um42s6@ag.dmarcian.com
SPF	v=spf1 include:mailer.duckduckgo.com include:spf.protection.outlook.com include:duck.com include:mail.zendesk.com -all
DKIM selectors	selector1
TLS certificate	Ok (191 days remaining) — CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1,O=DigiCert Inc,C=US
WHOIS registrar	—
WHOIS expires	—
Subdomains	CT logs temporarily unavailable — retry shortly
DNSSEC	Unsigned