iP or domain name lookup

zenguard.zendesk.com Server iP：

Current resolution：

domain resolution record：

2019-12-25-----2021-03-29 104.16.51.111

2019-12-25-----2020-11-05 104.16.53.111

2020-11-05-----2020-11-05 208.101.21.43

2020-11-05-----2020-11-05 31.13.64.33

2020-11-05-----2020-11-05 185.60.219.41

2020-11-05-----2020-11-05 108.160.166.137

2020-11-05-----2020-11-05 31.13.67.33

2020-11-05-----2020-11-05 108.160.165.48

2020-11-05-----2020-11-05 157.240.10.32

2020-11-05-----2020-11-05 104.244.46.93

2020-11-05-----2020-11-05 103.200.30.143

2020-11-05-----2020-11-05 31.13.66.1

2020-11-05-----2020-11-05 31.13.90.19

2020-11-05-----2020-11-05 202.160.128.205

2020-10-21-----2020-10-21 31.13.83.8

2020-10-21-----2020-10-21 69.171.235.64

2020-10-21-----2020-10-21 31.13.64.49

2019-12-25-----2020-02-27 104.16.54.111

2020-02-27-----2020-02-27 104.16.55.111

2019-12-25-----2020-02-10 104.16.52.111