hcfseminars.com服务器iP：
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历史解析记录：
2020-10-02-----2022-06-02 172.67.210.202
2021-07-20-----2022-06-02 104.21.23.108
2018-04-02-----2020-10-02 104.31.92.61
2018-04-02-----2020-10-02 104.31.93.61
2020-10-02-----2022-06-02 172.67.210.202
2021-07-20-----2022-06-02 104.21.23.108
2018-04-02-----2020-10-02 104.31.92.61
2018-04-02-----2020-10-02 104.31.93.61