iP or domain name lookup

rtccon.com Server iP：

Current resolution：

domain resolution record：

2023-08-23-----2024-12-21 52.8.151.151

2023-08-24-----2024-12-21 52.53.64.174

2020-09-05-----2024-11-04 47.100.196.169

2020-09-05-----2024-11-04 47.100.183.150

2020-09-05-----2024-11-04 47.75.155.102

2020-12-10-----2024-11-04 47.91.243.116