iP or domain name lookup

www.f21b.com Server iP：

Current resolution：

domain resolution record：

2023-02-08-----2026-01-12 104.21.25.87

2023-02-08-----2026-01-12 172.67.133.229

2024-06-16-----2025-10-25 221.228.32.13

2025-09-13-----2025-09-22 127.0.1.1

2024-01-05-----2024-01-25 0.0.0.0

2024-01-18-----2024-01-21 156.251.239.109

2024-01-21-----2024-01-21 156.251.239.108

2023-11-04-----2024-01-20 156.251.239.104

2023-12-17-----2024-01-20 156.251.239.100

2023-12-14-----2024-01-19 156.251.239.101

2024-01-19-----2024-01-19 156.251.239.149

2024-01-13-----2024-01-13 156.251.239.13

2024-01-13-----2024-01-13 156.251.239.11

2023-12-30-----2024-01-06 156.251.239.12

2023-12-29-----2023-12-29 156.251.239.147

2023-11-05-----2023-12-16 156.251.239.181

2023-11-30-----2023-12-16 156.251.239.183

2023-11-04-----2023-12-14 156.251.239.102

2023-11-10-----2023-12-14 156.251.239.178

2023-11-25-----2023-12-14 156.251.239.182

2023-11-03-----2023-12-06 156.251.239.188

2023-11-21-----2023-12-06 156.251.239.184

2023-12-06-----2023-12-06 156.251.239.186

2023-11-08-----2023-11-22 156.251.239.180

2023-11-05-----2023-11-18 156.251.239.187

2023-11-13-----2023-11-13 156.251.239.103

2023-11-12-----2023-11-12 156.251.239.189

2023-08-06-----2023-11-02 156.234.127.102

2023-10-06-----2023-11-01 156.234.127.179

2023-10-25-----2023-11-01 156.234.127.183

2023-10-16-----2023-10-30 156.234.127.190

2023-10-30-----2023-10-30 156.234.127.180

2023-10-05-----2023-10-28 156.234.127.182

2023-10-13-----2023-10-28 127.0.0.1

2023-10-23-----2023-10-23 156.234.127.186

2023-08-07-----2023-10-22 156.234.127.105

2023-08-14-----2023-10-22 156.234.127.106

2023-10-07-----2023-10-20 156.234.127.181

2023-10-13-----2023-10-18 156.234.127.189

2023-10-14-----2023-10-14 156.234.127.188

2023-10-12-----2023-10-12 156.234.127.184

2023-08-04-----2023-10-11 156.234.127.100

2023-10-11-----2023-10-11 156.234.127.185

2023-07-29-----2023-10-07 156.234.127.146

2023-08-18-----2023-10-07 156.234.127.152

2023-09-13-----2023-10-07 156.234.127.149

2023-09-16-----2023-10-07 156.234.127.147

2023-09-17-----2023-10-07 156.234.127.155

2023-10-07-----2023-10-07 156.234.127.178

2023-10-02-----2023-10-02 156.234.127.7