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cnn.com

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

Security headers: D 33/100 (rank #317 of 461) · TLS: TLSv1.3 · Cert expires in 140 days (rank #376 of 459 soonest) · Response: 53.3 ms (rank #51 of 446)
Certificate valid for 140 more days (until Mar 21 10:00:42 2027 GMT).

TLS certificate

FieldValue
IssuerGlobalSign nv-sa
Subject CNcnn.com
Valid untilMar 21 10:00:42 2027 GMT
Days left140
TLS versionTLSv1.3
SAN entries2

Security headers (33/100, grade D)

HeaderStatus
content-security-policydefault-src 'self' blob: https://*.cnn.com:* http://*.cnn.com:* *.cnn.io:* *.cnn.net:* *.t
x-content-type-optionsnosniff
strict-transport-securitymissing
x-frame-optionsmissing
referrer-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response53.3 ms
Fastest / slowest49.6 / 59.0 ms
HTTP status200 (https)
Servern/a

DNS & robots.txt

FieldValue
A records151.101.3.5, 151.101.67.5, 151.101.131.5, 151.101.195.5
Nameserversns-1242.awsdns-27.org, ns-1652.awsdns-14.co.uk, ns-378.awsdns-47.com, ns-587.awsdns-09.net
MX records1
robots.txtpresent (13 sitemap refs, 40 disallow rules)

How cnn.com compares

SiteHeadersScoreCert days leftms
theguardian.comA100124501.1
techcrunch.comA1004082.5
politico.comA100124300.6
gizmodo.comA10043266.6
apnews.comB837429.3
economist.comB836951.9
forbes.comB8319522.6
arstechnica.comB8368332.5

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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.