cnn.com:443

Checked 5/15/2026, 12:00:14 AM · 52ms

Functional but improvable. Look at TLS 1.3 / HSTS.

Warnings

HSTS header not set

Certificate

156d until expiry

Subject: CN=cnn.com, O=Warner Bros. Discovery, Inc., L=New York, ST=New York, C=US
Issuer: CN=GlobalSign Atlas ECCR5 OV TLS CA 2025 Q2, O=GlobalSign nv-sa, C=BE
Valid from: Apr 2, 2026
Valid until: Oct 18, 2026
Self-signed: No
Hostname match: Yes
Trusted chain: Yes
Serial: 01757F96F3E799199AA87CEC4903E31D

Subject Alternative Names (2)

cnn.com
*.cnn.com

Certificate chain (3)

Leafexpires Oct 18, 2026
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
Intermediateexpires Jan 22, 2027
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
Rootexpires Jan 19, 2038
CN=GlobalSign, O=GlobalSign, OU=GlobalSign ECC Root CA - R5
issued by CN=GlobalSign, O=GlobalSign, OU=GlobalSign ECC Root CA - R5

Protocol support

Negotiated: TLSv1.3 · TLS_AES_128_GCM_SHA256 (TLSv1.3)

TLSv1
Not supported
not supported
TLSv1.1
Not supported
not supported
TLSv1.2
Supported
TLSv1.3
Supported

HSTS

No Strict-Transport-Security header was returned.

AI-assisted remediation

Want a tailored fix plan in plain English?

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.

ProSee Pro plans→

Check another domain

Or share this URL with whoever owns the cert.