iP or domain name lookup

go.helpshift.com Server iP：

Current resolution：

domain resolution record：

2019-12-27-----2020-06-11 104.17.72.206

2019-12-27-----2020-06-11 104.17.70.206

2020-01-06-----2020-06-11 104.17.71.206

2019-12-27-----2020-06-04 104.17.73.206

2020-02-17-----2020-06-04 104.17.74.206