k12-notes.org

k12-notes.org is a live Chinese-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-08-27 and last crawled it on 2026-08-27. It resolves to 104.21.40.80 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

K12 Notes — 一份家长写给孩子的多学科学习笔记

K12 Notes 是面向中文家庭的免费多学科学习平台，由家长兼工程师 R. S. Ang 创建。涵盖中文六维度美学、英语 KET/PET/FCE 三阶段语法、数学、逻辑、Linux 五个学科，以知识图谱方式组织，所有内容永久免费（CC BY-NC-SA 4.0）。