iP or domain name lookup

rd-ams7.slack.com Server iP：

Current resolution：

domain resolution record：

2022-01-17-----2023-07-21 35.74.58.174

2022-01-17-----2023-07-21 52.192.46.121

2023-07-21-----2023-07-21 18.159.197.225

2023-07-21-----2023-07-21 52.73.140.59

2022-01-17-----2022-12-22 52.196.128.139

2022-01-17-----2022-12-22 35.73.126.78

2022-01-17-----2022-01-17 18.136.169.56

2022-01-17-----2022-01-17 13.213.164.176

2022-01-17-----2022-01-17 35.82.91.193

2022-01-17-----2022-01-17 3.0.66.145

2021-07-21-----2021-07-21 52.198.217.116

2021-07-21-----2021-07-21 13.228.49.204