iP or domain name lookup

work1.dllianbao.cn Server iP：

Current resolution：

domain resolution record：

2021-04-03-----2021-04-03 85.209.255.6

2021-04-03-----2021-04-03 85.209.255.7

2021-04-03-----2021-04-03 85.209.255.3

2021-04-03-----2021-04-03 85.209.255.2

2021-04-03-----2021-04-03 85.209.255.5

2021-03-30-----2021-03-30 43.255.190.66

2021-03-30-----2021-03-30 43.255.190.108

2021-03-30-----2021-03-30 43.255.190.67

2021-03-30-----2021-03-30 43.255.190.70

2021-03-30-----2021-03-30 43.255.190.69

2021-03-30-----2021-03-30 43.255.190.68