iP or domain name lookup

1.amazon.pool.ntp.org Server iP：

Current resolution：

domain resolution record：

2017-01-02-----2025-02-20 202.118.1.81

2018-02-07-----2025-02-20 202.112.31.197

2018-07-18-----2025-02-20 5.79.108.34

2019-06-06-----2025-02-20 185.209.85.222

2019-07-12-----2025-02-20 78.46.102.180

2020-02-08-----2025-02-20 193.182.111.142

2020-02-08-----2025-02-20 193.182.111.12

2020-03-08-----2025-02-20 162.159.200.1

2020-03-08-----2025-02-20 84.16.67.12

2020-03-08-----2025-02-20 193.182.111.141

2020-06-18-----2025-02-20 162.159.200.123

2025-02-20-----2025-02-20 71.123.46.186

2017-01-02-----2024-11-14 202.112.29.82

2018-11-25-----2024-11-14 119.28.183.184

2020-02-08-----2024-11-14 193.182.111.14

2024-11-14-----2024-11-14 152.70.159.102

2017-01-02-----2024-11-08 202.118.1.130

2018-11-25-----2024-11-08 119.28.206.193

2020-02-25-----2024-11-08 116.203.151.74

2020-02-25-----2024-11-08 193.182.111.143

2024-11-08-----2024-11-08 45.76.221.157

2024-11-08-----2024-11-08 66.205.249.28

2024-11-08-----2024-11-08 119.28.230.190

2017-12-15-----2024-11-02 108.59.2.24

2024-02-17-----2024-11-02 117.80.112.205

2024-11-02-----2024-11-02 110.42.98.138

2024-11-02-----2024-11-02 209.58.185.100

2024-11-02-----2024-11-02 117.80.231.60

2024-11-02-----2024-11-02 112.53.133.30

2017-12-15-----2024-02-17 120.25.115.20

2018-11-25-----2024-02-17 139.199.215.251

2019-07-12-----2024-02-17 111.230.189.174

2020-02-25-----2024-02-17 84.16.73.33

2021-03-20-----2024-02-17 139.199.214.202

2024-02-17-----2024-02-17 223.255.185.2

2024-02-17-----2024-02-17 81.16.177.123

2024-02-17-----2024-02-17 124.65.131.109

2020-06-18-----2023-06-27 128.199.243.248

2023-06-27-----2023-06-27 159.203.82.102

2023-06-27-----2023-06-27 45.131.109.21

2023-06-27-----2023-06-27 122.215.240.51

2020-04-09-----2023-05-24 133.243.238.163

2023-05-24-----2023-05-24 168.61.215.74

2023-05-24-----2023-05-24 88.99.76.254

2023-05-24-----2023-05-24 129.250.35.251

2018-07-18-----2022-05-09 94.237.64.20

2019-06-06-----2022-05-09 94.130.49.186

2022-05-09-----2022-05-09 178.215.228.24

2022-05-09-----2022-05-09 212.138.72.43

2022-05-09-----2022-05-09 157.119.101.135