iP or domain name lookup

1.linksys.pool.ntp.org Server iP：

Current resolution：

domain resolution record：

2024-03-20-----2024-03-20 185.11.138.90

2024-03-20-----2024-03-20 203.123.48.1

2024-03-20-----2024-03-20 135.148.100.14

2024-03-20-----2024-03-20 129.250.35.250

2024-03-10-----2024-03-10 84.16.67.12

2024-03-10-----2024-03-10 202.112.29.82

2024-03-10-----2024-03-10 45.125.1.20

2024-03-10-----2024-03-10 78.46.102.180

2024-03-10-----2024-03-10 202.118.1.130

2024-03-10-----2024-03-10 119.28.183.184