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duo20.cn Server iP：

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domain resolution record：

2023-08-17-----2024-08-02 66.29.136.78

2023-04-18-----2023-04-29 162.254.36.81

2023-04-29-----2023-04-29 182.43.124.6

2023-02-17-----2023-02-17 162.214.234.221

2022-09-06-----2022-09-19 208.109.213.4

2022-07-23-----2022-08-12 119.12.165.153

2022-08-08-----2022-08-12 43.155.1.78

2022-07-23-----2022-08-05 43.129.243.186

2022-07-23-----2022-08-05 43.225.158.164

2022-07-11-----2022-07-12 47.75.18.28

2022-06-09-----2022-07-08 47.75.18.36

2021-12-19-----2022-05-11 47.75.18.20

2022-01-14-----2022-04-01 47.75.18.18

2022-01-21-----2022-01-25 47.75.18.27

2021-10-03-----2022-01-24 47.75.18.45

2022-01-16-----2022-01-16 47.75.18.40

2021-12-13-----2021-12-16 47.75.18.8

2021-11-23-----2021-12-02 47.75.18.34

2021-11-26-----2021-11-28 47.75.18.7

2021-11-14-----2021-11-15 47.75.18.21

2020-09-06-----2021-11-13 47.75.18.25

2021-09-22-----2021-10-01 47.75.18.11

2021-09-19-----2021-09-21 47.75.19.73

2021-09-15-----2021-09-16 47.75.19.149

2021-09-10-----2021-09-13 47.57.197.41

2020-09-06-----2021-09-09 47.75.18.54

2020-08-25-----2020-09-07 47.75.19.46

2020-09-06-----2020-09-06 47.75.19.44

2020-09-06-----2020-09-06 47.75.18.59

2020-09-06-----2020-09-06 47.75.19.159

2020-09-06-----2020-09-06 47.75.18.37

2020-09-06-----2020-09-06 47.75.18.1

2020-08-23-----2020-08-24 47.75.19.114

2020-08-24-----2020-08-24 47.75.19.119

2020-08-10-----2020-08-22 1.1.1.1

2020-08-07-----2020-08-11 47.75.215.231