iP or domain name lookup

pacs.chec.bj.cn Server iP：

Current resolution：

domain resolution record：

2023-05-10-----2023-10-11 160.116.184.22

2023-05-10-----2023-10-11 38.54.35.154

2023-10-11-----2023-10-11 119.39.205.84

2023-05-10-----2023-05-10 172.107.93.54

2019-10-16-----2021-09-06 128.14.215.118

2021-07-20-----2021-09-06 168.80.173.104

2020-02-27-----2021-07-20 111.13.147.240

2021-07-20-----2021-07-20 116.211.155.246

2021-07-20-----2021-07-20 1.31.128.219

2021-07-20-----2021-07-20 111.13.147.207

2021-07-20-----2021-07-20 1.31.128.233

2021-07-20-----2021-07-20 116.211.155.150

2020-02-27-----2020-03-12 111.13.147.239

2020-02-27-----2020-03-12 183.222.96.222

2020-02-27-----2020-03-12 112.90.216.80

2020-03-12-----2020-03-12 117.21.219.96

2020-03-12-----2020-03-12 117.21.219.95

2019-09-10-----2019-10-16 203.12.205.188

2019-10-16-----2019-10-16 169.239.20.127