iP or domain name lookup

alvin.ergotron.net Server iP：

Current resolution：

domain resolution record：

2024-07-28-----2024-10-22 121.13.165.98

2024-07-17-----2024-07-24 121.13.164.159

2024-07-12-----2024-07-18 121.13.165.100

2024-07-06-----2024-07-13 121.13.165.119

2024-06-17-----2024-07-07 121.13.164.27

2024-06-22-----2024-06-27 121.13.165.46

2024-05-11-----2024-06-20 121.13.165.104

2024-06-06-----2024-06-19 59.39.184.185

2024-06-12-----2024-06-17 59.39.184.215

2024-04-11-----2024-06-07 121.13.164.153

2024-06-01-----2024-06-06 59.39.184.157

2024-05-29-----2024-06-01 59.39.185.18

2024-05-22-----2024-05-29 59.39.184.151

2024-03-05-----2024-03-18 121.13.164.100