Knowledge Base
Certificate Transparency Log

Let's Encrypt 'Willow2026h1'

Summary

Operator:
Let's Encrypt
Log ID:
4yON8o2iiOCq4Kzw+pDJhfC2v/XSpSewAfwcRFjEtug=
URL:
None

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Trust Stores

Trust store State Since
Apple Usable 2025-11-17T21:04:07Z
Google Rejected 2026-06-25T13:40:00Z

Key

Key type:
ECDSA
Key size:
256 bits
Max. merge delay:
60 s
Temporal interval:
2025-12-17T00:00:00Z – 2026-06-17T00:00:00Z