iP or domain name lookup

duo21.com Server iP：

Current resolution：

domain resolution record：

2022-01-22-----2024-09-15 54.209.32.212

2022-01-22-----2024-09-15 34.205.242.146

2022-01-22-----2024-09-15 18.119.154.66

2022-04-16-----2024-09-15 54.161.222.85

2022-01-22-----2024-09-14 52.71.57.184

2022-01-22-----2024-09-14 3.140.13.188

2022-01-22-----2024-09-14 3.18.7.81

2022-01-22-----2024-09-14 3.19.116.195

2022-04-16-----2024-09-14 3.130.204.160

2022-04-16-----2024-09-14 3.94.41.167

2022-04-16-----2024-09-14 3.130.253.23

2022-05-25-----2024-09-14 52.86.6.113

2021-03-23-----2021-06-20 3.223.115.185

2021-01-19-----2021-01-19 34.98.99.30

2020-04-23-----2020-11-18 69.172.201.208