iP or domain name lookup

uchallenge.unipus.cn Server iP：

Current resolution：

domain resolution record：

2023-01-22-----2024-03-03 123.249.6.161

2021-04-05-----2022-11-06 68.79.14.138

2022-10-11-----2022-11-06 161.189.46.65

2021-09-06-----2022-11-03 52.83.214.175

2021-09-24-----2022-10-25 52.83.109.150

2021-04-05-----2022-10-11 52.82.75.166

2021-10-10-----2021-12-26 69.234.241.192

2021-10-10-----2021-12-26 69.234.194.154

2021-10-10-----2021-11-19 69.234.232.183

2021-09-24-----2021-10-25 69.234.234.206

2021-09-24-----2021-10-24 69.231.184.136

2021-09-24-----2021-10-24 69.234.237.93

2021-09-24-----2021-10-24 69.231.150.241

2021-09-24-----2021-10-24 69.234.213.99

2021-09-24-----2021-10-24 69.234.244.181

2021-09-24-----2021-10-24 69.234.247.64

2021-09-25-----2021-10-24 69.234.221.98

2021-10-10-----2021-10-24 69.231.172.146

2021-10-10-----2021-10-24 52.83.82.76

2021-09-25-----2021-10-23 69.234.218.135

2021-10-09-----2021-10-23 69.231.172.44

2021-10-10-----2021-10-23 52.82.88.197

2021-09-24-----2021-10-17 69.230.231.227

2021-09-24-----2021-10-17 69.234.215.147

2021-09-24-----2021-10-16 69.234.245.62

2021-10-09-----2021-10-16 69.230.223.159

2021-04-05-----2021-10-10 161.189.101.135

2021-09-24-----2021-10-10 161.189.219.178

2021-09-24-----2021-10-10 69.231.186.113

2021-09-24-----2021-10-09 69.231.181.110

2021-09-24-----2021-10-09 69.234.217.17

2021-09-24-----2021-10-09 69.234.233.66

2019-12-30-----2021-01-16 47.93.95.231

2020-09-24-----2020-10-17 39.97.253.200

2019-09-30-----2019-12-27 114.251.154.140

2019-07-17-----2019-10-28 111.200.194.140

2019-09-20-----2019-10-13 139.217.18.71

2017-09-22-----2017-09-22 42.159.115.45