iP or domain name lookup

join.slack.com Server iP：

Current resolution：

domain resolution record：

2022-12-22-----2023-12-25 52.196.128.139

2023-12-25-----2023-12-25 3.68.170.153

2023-12-25-----2023-12-25 44.237.180.172

2022-12-22-----2023-10-21 35.74.58.174

2022-12-22-----2023-10-21 52.192.46.121

2023-10-21-----2023-10-21 18.159.197.225

2023-10-21-----2023-10-21 3.143.19.65

2022-12-22-----2023-05-31 35.73.126.78

2021-03-03-----2021-03-03 52.198.217.116

2021-03-03-----2021-03-03 13.228.49.204