iP or domain name lookup

app.recordunion.com Server iP：

Current resolution：

domain resolution record：

2025-10-15-----2025-10-15 104.20.43.116

2025-10-15-----2025-10-15 172.66.156.107

2022-12-17-----2024-06-15 104.22.19.106

2022-12-17-----2024-06-15 104.22.18.106

2023-09-28-----2024-06-15 172.67.14.129

2019-09-23-----2019-11-12 104.25.10.113

2019-09-23-----2019-11-11 104.25.9.113

2018-04-14-----2018-04-26 104.28.20.133

2018-04-14-----2018-04-26 104.28.21.133