iP or domain name lookup

v.ringcentral.com Server iP：

Current resolution：

domain resolution record：

2024-07-11-----2024-07-11 18.155.192.111

2024-07-11-----2024-07-11 18.155.192.98

2024-07-11-----2024-07-11 54.230.71.27

2024-07-11-----2024-07-11 3.164.110.101

2024-07-11-----2024-07-11 18.244.18.104

2024-07-11-----2024-07-11 18.64.8.15

2024-07-11-----2024-07-11 18.244.18.59

2024-07-11-----2024-07-11 18.244.18.21

2024-07-11-----2024-07-11 18.155.192.4

2024-07-11-----2024-07-11 18.244.18.42

2024-07-11-----2024-07-11 18.155.192.97

2024-07-11-----2024-07-11 3.164.110.21

2024-07-11-----2024-07-11 54.230.71.81

2024-07-11-----2024-07-11 3.164.110.23

2021-08-24-----2021-08-24 199.255.120.142