Certificate Chain Deep Dive

Comprehensive certificate chain validation and CRL revocation analysis.

HTTPS://

Try these examples:

✅ Valid Chain ❌ Revoked Certificate ⚠️ Incomplete Chain

incomplete-chain.badssl.com

8/13/2025, 10:34:20 pm UTC

Certificate Chain Validation

❌ Certificate chain has issues that may prevent browsers from trusting it.

Issues:

  • Missing intermediate certificate(s) - browsers may not be able to build complete trust chain

Warnings:

  • Server should include intermediate certificates in the certificate bundle

Certificate Details

End Entity

Leaf Certificate
Download PEM
Subject: *.badssl.com
Issuer: R11
Serial (Decimal): 0x05650E1A40CFC5979FBC23A06B0F460B3585
Serial (Hex): 05650E1A40CFC5979FBC23A06B0F460B3585

Valid From: 2025-07-15 20:02:58

Valid Until: 2025-10-13 20:02:57

Signature: RSA-SHA256

Version: 3

CRL Revocation Status:

✅ Certificate not found in CRL (not revoked)

CRL size: 133927 bytes

CRL URL

http://r11.c.lencr.org/6.crl