tech4u.app服务器iP：
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历史解析记录：
2020-11-20-----2024-02-21 172.67.186.2
2022-03-04-----2024-02-21 104.21.19.112
2022-03-04-----2022-03-04 188.114.97.7
2020-11-20-----2021-01-09 104.28.12.155
2020-11-20-----2021-01-09 104.28.13.155
2020-11-20-----2024-02-21 172.67.186.2
2022-03-04-----2024-02-21 104.21.19.112
2022-03-04-----2022-03-04 188.114.97.7
2020-11-20-----2021-01-09 104.28.12.155
2020-11-20-----2021-01-09 104.28.13.155