iP or domain name lookup

support.grammarly.com Server iP：

Current resolution：

domain resolution record：

2025-08-07-----2025-08-07 216.198.53.6

2025-08-07-----2025-08-07 216.198.54.6

2024-12-26-----2025-03-09 216.198.54.1

2024-12-26-----2025-03-09 216.198.53.1

2019-07-19-----2024-03-24 104.16.51.111

2019-07-19-----2024-03-24 104.16.53.111

2019-07-19-----2024-02-10 104.16.55.111

2019-07-19-----2020-04-20 104.16.54.111

2019-07-19-----2020-04-20 104.16.52.111

2018-04-23-----2018-04-26 34.216.174.56

2018-04-23-----2018-04-23 35.167.245.158

2018-04-23-----2018-04-23 52.34.200.91