iP or domain name lookup

classroom.google.com Server iP：

Current resolution：

domain resolution record：

2021-01-28-----2024-04-21 142.250.186.142

2022-12-26-----2024-04-21 172.217.26.238

2023-02-09-----2024-04-21 142.250.188.238

2023-09-11-----2024-04-21 74.125.130.100

2020-01-05-----2024-04-12 172.217.160.78

2020-01-07-----2024-04-12 172.217.160.110

2022-08-15-----2024-04-12 142.251.42.238

2022-09-01-----2024-04-12 142.251.43.14

2022-09-01-----2024-04-12 172.217.163.46

2023-04-16-----2024-04-12 172.217.25.14

2020-08-31-----2024-04-10 172.217.161.78

2020-08-31-----2024-04-10 74.125.200.100

2022-08-17-----2024-04-10 142.250.176.14

2020-08-27-----2024-03-08 74.125.24.102

2023-09-07-----2024-03-08 142.251.46.206

2024-03-08-----2024-03-08 142.250.196.110

2024-03-08-----2024-03-08 142.250.184.206

2020-09-23-----2024-02-29 172.217.194.101

2020-10-23-----2024-02-29 142.250.68.110

2023-01-12-----2024-02-29 142.251.42.206

2024-02-14-----2024-02-29 142.250.186.46

2022-12-26-----2024-02-23 142.250.207.46

2024-02-13-----2024-02-23 142.250.68.78

2024-02-23-----2024-02-23 74.125.130.102

2020-07-01-----2024-02-14 172.217.194.100

2020-08-26-----2024-02-14 172.217.194.138

2020-10-06-----2024-02-14 172.217.194.113

2024-02-13-----2024-02-14 142.251.42.174

2024-02-13-----2024-02-14 216.58.212.174

2020-08-31-----2024-01-21 172.217.14.78

2023-01-13-----2024-01-21 142.250.199.110

2023-07-27-----2024-01-21 172.253.118.113

2024-01-21-----2024-01-21 216.58.206.46

2023-01-14-----2024-01-16 172.217.16.206

2023-02-10-----2024-01-16 172.217.31.174

2023-09-12-----2024-01-16 142.251.175.102

2024-01-13-----2024-01-16 142.250.189.174

2023-01-14-----2024-01-14 74.125.68.101

2024-01-14-----2024-01-14 172.217.12.142

2023-01-12-----2024-01-13 74.125.68.138

2024-01-13-----2024-01-13 142.250.189.206

2024-01-13-----2024-01-13 64.233.170.102

2020-09-08-----2024-01-12 74.125.200.102

2023-01-12-----2024-01-12 142.251.40.46

2023-01-23-----2024-01-12 142.251.42.142

2022-08-17-----2024-01-11 142.251.12.139

2023-12-13-----2024-01-11 142.251.214.142

2024-01-11-----2024-01-11 216.58.220.110

2020-08-31-----2024-01-10 74.125.200.138

2022-08-15-----2024-01-10 142.250.217.142