iP or domain name lookup

0.kr.pool.ntp.org Server iP：

Current resolution：

domain resolution record：

2023-05-24-----2024-03-28 121.174.142.81

2023-05-24-----2024-03-28 121.162.54.1

2021-04-25-----2023-11-30 106.247.248.106

2021-04-25-----2023-06-07 211.233.40.78

2021-04-25-----2023-06-07 13.209.84.50

2021-10-11-----2023-06-07 193.123.243.2

2023-06-07-----2023-06-07 121.174.142.82

2023-06-07-----2023-06-07 163.152.23.170

2021-04-25-----2022-01-04 211.233.84.186

2021-10-11-----2022-01-04 158.247.211.195

2022-01-04-----2022-01-04 183.103.155.118

2022-01-04-----2022-01-04 194.0.5.123

2021-04-25-----2021-10-11 49.247.128.87

2021-10-11-----2021-10-11 132.226.17.96