iP or domain name lookup

a.sirenyan.com Server iP：

Current resolution：

domain resolution record：

2025-12-06-----2025-12-06 104.26.5.148

2017-12-13-----2017-12-13 42.156.141.13

2017-03-27-----2017-03-29 115.218.237.64

2017-03-27-----2017-03-27 115.218.233.125

2017-03-27-----2017-03-27 115.218.233.179

2016-12-20-----2016-12-23 115.218.237.95

2016-12-19-----2016-12-20 115.218.235.83

2016-12-19-----2016-12-19 115.218.243.219

2016-12-13-----2016-12-13 115.218.237.243

2016-12-12-----2016-12-12 115.218.232.94

2016-12-09-----2016-12-09 115.218.236.149

2016-10-31-----2016-10-31 221.192.153.41

2016-10-31-----2016-10-31 111.175.221.58