iP or domain name lookup

book.ek21.com Server iP：

Current resolution：

domain resolution record：

2022-10-09-----2026-02-22 104.21.79.71

2026-01-03-----2026-02-22 172.67.169.55

2022-10-09-----2026-02-11 157.240.1.33

2026-02-11-----2026-02-11 103.252.115.221

2026-02-11-----2026-02-11 128.242.240.61

2026-02-11-----2026-02-11 199.193.116.105

2026-02-11-----2026-02-11 173.255.209.47

2026-02-11-----2026-02-11 157.240.17.36

2026-02-11-----2026-02-11 199.59.148.20

2026-02-11-----2026-02-11 128.242.240.20

2026-02-11-----2026-02-11 31.13.67.33

2026-02-11-----2026-02-11 39.109.122.128

2026-02-11-----2026-02-11 64.13.192.74

2026-02-11-----2026-02-11 31.13.64.7

2026-02-11-----2026-02-11 31.13.70.33

2026-02-11-----2026-02-11 67.228.235.91

2026-02-11-----2026-02-11 173.252.108.21

2026-02-11-----2026-02-11 31.13.68.169

2026-02-11-----2026-02-11 108.160.169.55

2026-02-11-----2026-02-11 173.252.88.67

2022-10-09-----2026-01-03 108.160.169.179

2026-01-03-----2026-01-03 157.240.12.36

2026-01-03-----2026-01-03 199.59.150.39

2026-01-03-----2026-01-03 199.59.148.106

2026-01-03-----2026-01-03 74.86.228.110

2026-01-03-----2026-01-03 202.160.128.203

2026-01-03-----2026-01-03 108.160.163.117

2026-01-03-----2026-01-03 202.53.137.209

2026-01-03-----2026-01-03 75.126.164.178

2026-01-03-----2026-01-03 173.231.12.107

2026-01-03-----2026-01-03 103.214.168.106

2026-01-03-----2026-01-03 104.244.43.229

2026-01-03-----2026-01-03 157.240.12.5

2026-01-03-----2026-01-03 103.252.115.59

2026-01-03-----2026-01-03 157.240.8.41

2026-01-03-----2026-01-03 202.160.129.6

2026-01-03-----2026-01-03 199.59.148.89

2026-01-03-----2026-01-03 31.13.73.169

2022-10-09-----2022-10-09 108.160.172.204

2022-10-09-----2022-10-09 184.173.136.86

2022-10-09-----2022-10-09 208.31.254.33

2022-10-09-----2022-10-09 128.242.240.180

2022-10-09-----2022-10-09 173.255.213.90

2022-10-09-----2022-10-09 128.242.240.125

2022-10-09-----2022-10-09 103.228.130.61

2022-10-09-----2022-10-09 31.13.85.53

2022-10-09-----2022-10-09 31.13.70.9

2022-10-09-----2022-10-09 199.59.149.231

2022-10-09-----2022-10-09 104.244.43.234

2022-10-09-----2022-10-09 75.126.124.162