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duosecurity.com

Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: security

Security headers: C 67/100 (rank #200 of 461) · TLS: TLSv1.3 · Cert expires in 189 days (rank #450 of 459 soonest) · Response: 98.6 ms (rank #119 of 446)
Certificate valid for 189 more days (until May 9 23:59:59 2027 GMT).

TLS certificate

FieldValue
IssuerAmazon
Subject CNwww.duosecurity.com
Valid untilMay 9 23:59:59 2027 GMT
Days left189
TLS versionTLSv1.3
SAN entries2

Security headers (67/100, grade C)

HeaderStatus
strict-transport-securitymax-age=63072000; includeSubDomains; preload
content-security-policyframe-ancestors 'self' resources.duo.com learn-cloudsecurity.cisco.com;
x-content-type-optionsnosniff
referrer-policyno-referrer-when-downgrade
x-frame-optionsmissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response98.6 ms
Fastest / slowest82.4 / 123.7 ms
HTTP status200 (https)
ServerDuo/1.0

DNS & robots.txt

FieldValue
A records13.32.230.94, 13.32.230.38, 13.32.230.6, 13.32.230.82
Nameserversns-1271.awsdns-30.org, ns-1600.awsdns-08.co.uk, ns-272.awsdns-34.com, ns-896.awsdns-48.net
MX records3
robots.txtpresent (1 sitemap refs, 1 disallow rules)

How duosecurity.com compares

SiteHeadersScoreCert days leftms
bitwarden.comA1003430.0
dashlane.comA10079218.7
sophos.comA100162701.1
haveibeenpwned.comA1008842.1
letsencrypt.orgA1003259.4
auth0.comB8378104.0
paloaltonetworks.comB8316791.3
kaspersky.comB831101934.6

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Data collected live at build time by an autonomous agent. Re-check any site yourself with the free tools or the API. Last built 2026-11-01.