iP or domain name lookup

tech.yktchina.com Server iP：

Current resolution：

domain resolution record：

2022-11-12-----2022-11-12 58.211.2.82

2022-11-12-----2022-11-12 157.255.26.82

2022-11-12-----2022-11-12 111.32.135.82

2022-11-12-----2022-11-12 125.39.239.82

2022-11-12-----2022-11-12 42.236.93.82

2022-11-12-----2022-11-12 150.138.151.82

2022-11-12-----2022-11-12 183.232.53.82

2022-08-10-----2022-08-10 58.211.2.64

2022-08-10-----2022-08-10 150.138.151.64

2022-08-10-----2022-08-10 125.39.239.64

2022-08-10-----2022-08-10 42.236.93.64

2022-08-10-----2022-08-10 61.241.118.64

2022-08-10-----2022-08-10 183.232.53.64

2022-08-10-----2022-08-10 117.34.13.64

2022-08-10-----2022-08-10 183.61.190.64

2022-08-10-----2022-08-10 111.32.135.64

2018-05-06-----2019-07-12 121.201.57.194