iP or domain name lookup

www.51sis.net Server iP：

Current resolution：

domain resolution record：

2023-09-05-----2024-09-09 66.29.136.78

2023-12-29-----2024-01-18 156.251.239.104

2024-01-11-----2024-01-11 156.251.239.12

2023-12-14-----2023-12-14 156.251.239.190

2023-11-30-----2023-12-10 156.251.239.187

2023-11-08-----2023-12-08 156.251.239.102

2023-11-09-----2023-11-09 156.251.239.188

2023-11-08-----2023-11-08 156.251.239.183

2023-11-03-----2023-11-03 156.251.239.180

2023-10-29-----2023-10-29 156.234.127.104

2023-10-15-----2023-10-28 223.75.236.241

2023-10-13-----2023-10-13 156.234.127.149

2023-10-09-----2023-10-09 156.234.127.188

2023-10-06-----2023-10-07 156.234.127.152

2023-09-30-----2023-09-30 156.234.127.146

2023-09-07-----2023-09-07 156.234.127.151