iP or domain name lookup

mail.jiaoyipingtai.cn Server iP：

Current resolution：

domain resolution record：

2022-05-28-----2022-05-28 54.153.56.183

2021-01-02-----2021-09-04 192.168.1.100

2021-03-12-----2021-03-12 120.27.251.182

2019-07-19-----2019-07-19 174.128.255.228

2018-06-21-----2018-06-21 100.64.41.101

2017-08-23-----2017-08-24 0.0.0.0

2017-02-23-----2017-02-23 42.234.43.176

2016-11-24-----2016-11-24 42.234.44.183