iP or domain name lookup

server100.helpshift.com Server iP：

Current resolution：

domain resolution record：

2020-02-22-----2020-02-22 54.219.138.63

2020-02-22-----2020-02-22 54.153.29.242

2020-02-22-----2020-02-22 54.183.203.116

2020-02-22-----2020-02-22 54.215.217.222

2020-02-12-----2020-02-12 54.183.53.164

2020-02-12-----2020-02-12 13.56.105.238

2020-02-12-----2020-02-12 54.215.196.147