iP or domain name lookup

mail.cert.org.cn Server iP：

Current resolution：

domain resolution record：

2021-12-07-----2026-02-22 112.60.20.236

2021-12-07-----2026-02-22 112.90.80.101

2021-12-07-----2026-02-22 129.226.102.73

2021-12-07-----2026-02-22 14.17.27.155

2023-09-11-----2023-09-13 109.244.184.102

2020-01-16-----2020-12-09 203.205.254.225

2020-01-16-----2020-12-09 203.205.253.154

2019-06-17-----2020-11-30 121.51.8.59

2019-06-17-----2020-11-30 121.51.130.237

2019-06-17-----2020-11-30 58.250.136.39

2019-06-17-----2020-11-30 58.251.81.43

2020-11-30-----2020-11-30 69.172.201.208

2019-06-17-----2020-09-22 183.3.235.87

2019-06-17-----2019-10-01 203.205.146.111

2019-06-17-----2019-07-12 203.205.151.66