iP or domain name lookup

a-test.addthis.com Server iP：

Current resolution：

domain resolution record：

2022-11-27-----2022-11-27 104.70.2.209

2022-11-27-----2022-11-27 23.194.77.212

2022-11-27-----2022-11-27 23.37.49.105

2022-11-27-----2022-11-27 23.15.106.84

2020-08-12-----2020-08-12 23.215.5.194

2020-08-12-----2020-08-12 23.73.183.7

2020-08-12-----2020-08-12 23.7.170.28

2020-08-12-----2020-08-12 23.200.235.182

2020-08-12-----2020-08-12 23.9.47.233

2020-08-12-----2020-08-12 104.65.173.31

2020-08-12-----2020-08-12 104.121.185.44

2020-08-12-----2020-08-12 23.222.86.118

2020-08-12-----2020-08-12 104.71.152.25

2020-08-12-----2020-08-12 23.194.170.205