iP or domain name lookup

tongji.398yuer.com Server iP：

Current resolution：

domain resolution record：

2026-01-07-----2026-02-12 104.21.20.120

2026-01-07-----2026-02-12 172.67.192.168

2025-11-14-----2025-11-14 172.67.72.218

2024-09-02-----2024-09-02 128.14.74.107

2024-09-02-----2024-09-02 128.14.74.111

2021-03-15-----2022-05-11 47.57.235.139

2021-03-09-----2021-03-09 47.242.52.209

2021-03-09-----2021-03-09 47.242.219.224

2020-02-03-----2020-02-03 116.255.218.49