iP or domain name lookup

cs40a.microsoftupa.com Server iP：

Current resolution：

domain resolution record：

2020-11-17-----2020-12-30 184.168.131.241

2020-11-14-----2020-11-16 172.104.80.127

2020-11-08-----2020-11-14 139.162.66.168

2020-11-12-----2020-11-14 172.105.236.96

2020-11-08-----2020-11-08 139.162.97.239

2020-09-29-----2020-09-29 139.162.113.21

2020-06-15-----2020-06-23 108.61.160.106

2020-06-16-----2020-06-17 47.106.172.2