www.oerproject.com 域名历史
www.oerproject.com 的建站历史：共收录 16 条网页存档快照，最早可追溯至 2021-07-04，并持续记录 Whois、ICP 备案、DNS 解析与 SSL 证书变更。
建站快照概览
| 快照日期 | 标题 | 状态 |
|---|---|---|
| 2021-07-04 | OER Project Home | 200 |
| 2021-09-22 | OER Project Home | 200 |
| 2021-11-10 | OER Project Home | 200 |
| 2022-01-30 | OER Project - Free, Standards Based Online History Curriculum | 200 |
| 2022-02-17 | （暂无标题） | 301 |
| 2022-02-17 | （暂无标题） | 301 |
| 2022-04-27 | OER Project - Free, Standards Based Online History Curriculum | 200 |
| 2022-05-21 | （暂无标题） | 301 |
| 2022-05-21 | （暂无标题） | 301 |
| 2023-11-24 | OER Project - Free, Standards Based Online History Curriculum | 200 |
| 2024-01-26 | OER Project - Free, Standards Based Online History Curriculum | 200 |
| 2024-03-16 | （暂无标题） | 200 |
| 2024-06-17 | OER Project - Free, Standards Based Online History Curriculum | 200 |
| 2024-08-16 | OER Project - Free, Standards Based Online History Curriculum | 200 |
| 2025-10-20 | OER Project - Free, Standards Based Online History Curriculum | 200 |
| 2026-10-02 | OER Project - Free, Standards Based Online History Curriculum | 200 |
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