iP or domain name lookup

onlyddd.tpddns.cn Server iP：

Current resolution：

domain resolution record：

2021-10-20-----2021-10-20 120.242.203.198

2021-10-11-----2021-10-11 120.242.202.245

2021-06-29-----2021-06-29 120.242.203.68

2021-05-26-----2021-05-26 120.242.202.98

2021-05-19-----2021-05-19 120.242.198.191

2021-04-12-----2021-04-12 120.242.203.192

2020-02-19-----2020-02-19 112.28.136.122