iP or domain name lookup

challenge.longjiancup.cn Server iP：

Current resolution：

domain resolution record：

2025-09-21-----2025-11-17 118.123.207.196

2025-11-13-----2025-11-17 120.240.164.132

2025-11-13-----2025-11-17 36.248.50.61

2025-09-21-----2025-09-21 120.240.164.149

2025-09-21-----2025-09-21 111.31.103.181

2025-09-21-----2025-09-21 36.110.209.30

2025-09-21-----2025-09-21 58.216.23.56

2025-09-21-----2025-09-21 221.204.44.46

2025-09-21-----2025-09-21 103.220.56.58

2025-09-21-----2025-09-21 175.12.126.62

2025-09-21-----2025-09-21 61.170.111.67

2025-09-21-----2025-09-21 122.228.241.57

2025-09-21-----2025-09-21 111.31.103.180

2025-09-21-----2025-09-21 103.220.56.60

2025-09-21-----2025-09-21 120.233.178.82

2025-09-21-----2025-09-21 111.202.6.32

2025-09-21-----2025-09-21 61.170.111.66

2025-09-21-----2025-09-21 111.202.6.33

2025-09-21-----2025-09-21 106.117.209.53

2025-09-21-----2025-09-21 180.163.142.27

2025-09-21-----2025-09-21 120.240.164.111

2025-09-21-----2025-09-21 218.11.8.68

2025-09-21-----2025-09-21 106.117.209.55

2025-09-21-----2025-09-21 36.99.2.63

2025-09-21-----2025-09-21 106.117.209.52

2025-09-21-----2025-09-21 157.0.3.31

2025-09-21-----2025-09-21 61.54.86.152

2025-09-21-----2025-09-21 220.185.170.56

2025-09-21-----2025-09-21 36.248.50.112

2025-09-21-----2025-09-21 36.110.209.32

2025-09-21-----2025-09-21 175.12.126.64

2025-09-21-----2025-09-21 221.204.34.77

2025-09-21-----2025-09-21 58.216.23.53

2025-09-21-----2025-09-21 1.194.226.173

2025-09-21-----2025-09-21 157.0.3.30

2025-09-21-----2025-09-21 111.31.103.179

2025-09-21-----2025-09-21 120.240.164.113