iP or domain name lookup

yc.app Server iP：

Current resolution：

domain resolution record：

2023-09-28-----2023-10-26 183.213.92.2

2023-09-28-----2023-10-26 106.74.25.198

2023-09-28-----2023-10-26 182.43.124.6

2023-09-30-----2023-10-26 111.31.192.110

2023-09-28-----2023-10-22 43.246.174.201

2023-10-18-----2023-10-22 221.228.32.13

2023-09-09-----2023-09-30 103.231.254.237

2023-08-20-----2023-09-01 172.87.25.50