iP or domain name lookup

pic.nittb.com Server iP：

Current resolution：

domain resolution record：

2023-10-18-----2023-10-18 45.33.18.44

2021-09-18-----2022-06-06 60.217.246.29

2021-10-06-----2022-06-06 101.226.27.214

2021-11-12-----2022-06-06 119.188.96.66

2022-06-06-----2022-06-06 103.15.99.50

2022-06-06-----2022-06-06 120.233.0.91

2022-06-06-----2022-06-06 58.218.208.14

2022-06-06-----2022-06-06 36.156.208.215

2022-06-06-----2022-06-06 114.80.187.11

2021-10-06-----2021-11-12 106.117.214.178

2021-11-12-----2021-11-12 101.226.28.187

2021-11-12-----2021-11-12 58.215.145.108

2021-11-12-----2021-11-12 111.13.103.116

2021-11-12-----2021-11-12 112.25.18.134

2021-11-12-----2021-11-12 101.226.26.193

2021-10-06-----2021-10-06 220.185.164.210

2021-10-06-----2021-10-06 125.37.206.217

2021-10-06-----2021-10-06 223.111.24.83

2021-09-18-----2021-09-18 120.223.244.5

2021-09-18-----2021-09-18 117.25.156.178

2021-09-18-----2021-09-18 120.223.244.242

2021-09-18-----2021-09-18 124.239.239.140

2021-09-18-----2021-09-18 121.207.229.144

2021-09-18-----2021-09-18 183.201.240.148

2021-09-18-----2021-09-18 220.185.164.213