iP or domain name lookup

cdn-enterprise.discourse.org Server iP：

Current resolution：

domain resolution record：

2017-06-12-----2019-08-22 161.202.39.238

2019-06-15-----2019-08-22 156.38.130.226

2017-06-12-----2017-07-22 209.58.185.108

2017-07-22-----2017-07-22 204.155.147.3

2017-07-22-----2017-07-22 69.171.224.38

2017-07-22-----2017-07-22 199.16.158.18

2017-07-22-----2017-07-22 108.160.167.162

2017-07-22-----2017-07-22 199.59.150.41

2017-07-22-----2017-07-22 204.155.148.10

2017-07-22-----2017-07-22 74.117.182.158

2017-07-22-----2017-07-22 66.220.146.50

2017-06-12-----2017-06-12 66.220.152.20

2017-06-12-----2017-06-12 173.252.100.32

2017-06-12-----2017-06-12 173.252.73.52

2017-06-12-----2017-06-12 31.13.69.228

2017-06-12-----2017-06-12 66.220.158.32