Domain check
Running TLS, DMARC, BIMI, DNS, headers, and MTA-STS checks in parallel...
TLS / SSL
checking...
DMARC
checking...
BIMI
checking...
DNS health
checking...
Headers
checking...
MTA-STS
checking...
Subdomains
checking...
Domain check
Running TLS, DMARC, BIMI, DNS, headers, and MTA-STS checks in parallel...
TLS / SSL
DMARC
BIMI
DNS health
Headers
MTA-STS
Subdomains
Domain check
6 sections checked · TLS 71ms · DMARC 21ms · BIMI 208ms · DNS 686ms · Headers 111ms · MTA-STS 6ms
TLS check for
Checked 5/14/2026, 10:48:22 PM · 71ms
Functional but improvable. Look at TLS 1.3 / HSTS.
156d until expiry
Or share this URL with the team that owns the records.
Subject Alternative Names (2)
CN=cnn.com, O=Warner Bros. Discovery, Inc., L=New York, ST=New York, C=US
issued by CN=GlobalSign Atlas ECCR5 OV TLS CA 2025 Q2, O=GlobalSign nv-sa, C=BE
CN=GlobalSign Atlas ECCR5 OV TLS CA 2025 Q2, O=GlobalSign nv-sa, C=BE
issued by CN=GlobalSign, O=GlobalSign, OU=GlobalSign ECC Root CA - R5
CN=GlobalSign, O=GlobalSign, OU=GlobalSign ECC Root CA - R5
issued by CN=GlobalSign, O=GlobalSign, OU=GlobalSign ECC Root CA - R5
Negotiated: TLSv1.3 · TLS_AES_128_GCM_SHA256 (TLSv1.3)
TLSv1
Not supported
not supportedTLSv1.1
Not supported
not supportedTLSv1.2
Supported
TLSv1.3
Supported
No Strict-Transport-Security header was returned.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to cnn.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
DMARC check for
Checked 5/14/2026, 10:48:22 PM · 21ms
Solid: p=reject is enforced.
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
Found on the apex domain.
v=spf1 include:cnn.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:mail.zendesk.com ~allAI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to cnn.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
BIMI check for
Checked 5/14/2026, 10:48:22 PM · 208ms
Logo + VMC + DMARC reject pct=100. Gmail and Apple Mail will display.
looked up: default._bimi.cnn.com
v=BIMI1; l=https://amplify.valimail.com/bimi/time-warner/vmNHnljIYyW-cable_news_network_inc_1325272691.svg; a=https://amplify.valimail.com/bimi/time-warner/vmNHnljIYyW-cable_news_network_inc_1325272691.pem
https://amplify.valimail.com/bimi/time-warner/vmNHnljIYyW-cable_news_network_inc_1325272691.svg
https://amplify.valimail.com/bimi/time-warner/vmNHnljIYyW-cable_news_network_inc_1325272691.pem
BIMI requires DMARC p=quarantine or p=reject with pct=100. Currently: policy reject, pct 100.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to cnn.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
DNS health for
Checked 5/14/2026, 10:48:22 PM · 686ms
Some critical hardenings missing.
No CAA records published. Any CA can issue certs for this domain.
checked IP: 52.101.41.28 (MX cnn-com.mail.protection.outlook.com), 52.101.40.0 (MX cnn-com.mail.protection.outlook.com), 52.101.11.3 (MX cnn-com.mail.protection.outlook.com), 52.101.10.12 (MX cnn-com.mail.protection.outlook.com)
Domain intel on cnn.com
✓ Malware / phishing intel: clean
Domain is not on any malware-distribution feed we track.
✓ Active threat intel: clean
No active C2 / botnet IOCs against this domain.
Registered 1993-09-22 - established
Established domains rarely host phishing infrastructure.
for cnn.com
Let's Encrypt is the most common free CA. If you also use a paid CA (Sectigo, DigiCert, etc.), add additional `0 issue "<ca-host>"` records for each.
@0 issue "letsencrypt.org"Authorise wildcard cert issuance. Drop this record if you never need wildcard certs.
@0 issuewild "letsencrypt.org"Where to send incident reports if a CA detects an unauthorised issuance attempt. Point at a real mailbox.
@0 iodef "mailto:[email protected]"AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to cnn.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
Security headers for
https://cnn.com/ · status 403 · checked 5/14/2026, 10:48:22 PM · 111ms
Severe gaps in defensive headers.
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always; # After 30+ days at this max-age with includeSubDomains, submit at hstspreload.org. add_header Content-Security-Policy "default-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'" always; # Tight starting policy. Iterate by inspecting CSP-Report-Only violations on a staging branch first. add_header X-Frame-Options DENY always; # Backstop for older browsers; CSP frame-ancestors handles modern ones. add_header X-Content-Type-Options nosniff always; add_header Referrer-Policy strict-origin-when-cross-origin always; add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), interest-cohort=()" always; # Disables features you almost certainly do not need. Add features back inside the parens if your site does need them.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to cnn.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.
MTA-STS + TLS-RPT for
Checked 5/14/2026, 10:48:22 PM · 6ms
No MTA-STS at all. Mail in transit is not enforced.
looked up: _mta-sts.cnn.com
https://mta-sts.cnn.com/.well-known/mta-sts.txt
No TLS-RPT record found. Without it, you do not learn when receivers fail to enforce STS against your domain.
for cnn.com
The id is an opaque string. Bump it whenever you change the policy file, otherwise receivers will keep using the cached version.
_mta-stsv=STSv1; id=20260514224822TLS-RPT lets receivers send you JSON reports when STS / DANE fails. Point the rua at a mailbox you actually monitor.
_smtp._tlsv=TLSRPTv1; rua=mailto:[email protected]Host the file below at https://mta-sts.cnn.com/.well-known/mta-sts.txt with a trusted TLS cert (no self-signed). Replace the mx: line(s) with each of your real mail servers. Start with mode: testing to collect TLS-RPT failure reports before raising to mode: enforce.
version: STSv1 mode: testing mx: mail.cnn.com max_age: 86400
Cloudflare Workers, Pages, or any static host with HTTPS can serve this. The well-known path needs a Content-Type of text/plain.
AI-assisted remediation
Wiredepth Pro sends this report to our AI engine and streams back a 30-day rollout plan tailored to cnn.com, with provider-specific tips when we can infer them from the data. 10 playbooks per month on Pro, 100 on MSP.