iP or domain name lookup

1123nu.com Server iP：

Current resolution：

domain resolution record：

2020-07-31-----2024-05-02 172.67.170.187

2021-01-15-----2024-05-02 104.21.55.73

2024-01-10-----2024-01-10 156.251.239.146

2023-11-18-----2023-11-18 156.251.239.102

2023-11-09-----2023-11-09 156.251.239.107

2023-11-07-----2023-11-07 156.251.239.106

2023-10-11-----2023-11-02 156.234.127.106

2023-10-19-----2023-10-27 156.234.127.102

2023-10-27-----2023-10-27 156.234.127.187

2023-10-01-----2023-10-05 156.234.127.147

2023-09-17-----2023-09-17 156.234.127.151

2023-09-15-----2023-09-15 156.234.127.109

2023-09-11-----2023-09-11 156.234.127.91

2023-09-11-----2023-09-11 38.49.44.24

2023-03-13-----2023-06-08 156.234.127.10

2020-05-02-----2021-01-08 104.24.111.206

2020-05-02-----2021-01-08 104.24.110.206

2020-03-25-----2020-04-01 104.18.27.213

2020-03-25-----2020-04-01 104.18.26.213