21zbs.com

21zbs.com is a live website hosted on China Telecom (Group) (AS4816) in China, served by Nginx. cl0q first saw it on 2026-09-19 and last crawled it on 2026-09-19. It resolves to 103.44.239.172 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:

祝博士优管家-中小学一站式课后优管家-祝博士官网

祝博士，一站式课后优管家，依托自主研发的智能学习平台、校区管理、家校通安全管理等平台，结合PDCA教学法，专注于孩子的学习力塑造和时间管理能力培养，为6-12岁孩子提供安全托管、素质研学、习惯训练、能力培养。