iP or domain name lookup

tsdr.uspto.gov Server iP：

Current resolution：

domain resolution record：

2022-07-03-----2024-04-08 34.111.116.8

2017-10-25-----2021-09-01 216.58.200.51

2017-10-25-----2021-09-01 172.217.24.19

2017-10-25-----2021-09-01 216.58.200.243

2017-10-25-----2021-09-01 172.217.27.147

2019-07-23-----2021-09-01 172.217.160.83

2021-08-24-----2021-09-01 142.251.43.19

2021-09-01-----2021-09-01 142.251.42.243

2021-09-01-----2021-09-01 142.250.204.83

2019-07-23-----2021-08-24 172.217.160.115

2021-05-21-----2021-08-24 172.217.26.147

2021-08-24-----2021-08-24 142.250.66.51

2021-05-21-----2021-05-23 142.250.66.115

2021-05-21-----2021-05-21 74.125.204.121

2021-05-21-----2021-05-21 142.250.206.243

2021-05-02-----2021-05-02 142.250.204.51

2021-05-02-----2021-05-02 142.250.204.115

2019-08-23-----2021-03-31 216.58.200.19

2021-01-27-----2021-03-24 64.233.189.121

2021-03-24-----2021-03-24 216.58.199.115

2021-03-24-----2021-03-24 172.217.25.19

2020-10-08-----2020-10-08 216.58.197.115

2020-08-20-----2020-08-20 216.58.200.83

2020-07-06-----2020-07-06 172.217.163.243

2019-08-23-----2019-08-23 172.217.161.179

2019-07-23-----2019-07-23 216.58.199.19