iP or domain name lookup

yb7721.com Server iP：

Current resolution：

domain resolution record：

2022-03-19-----2022-03-19 173.255.194.134

2022-01-04-----2022-01-04 34.98.99.30

2021-10-15-----2021-10-15 154.94.255.41

2021-09-17-----2021-09-17 107.149.26.7

2021-04-30-----2021-09-16 166.88.34.130

2020-04-07-----2020-04-07 47.241.61.172

2020-04-07-----2020-04-07 161.117.238.154

2017-10-24-----2017-10-24 156.237.176.69

2017-10-24-----2017-10-24 156.235.185.69

2017-10-24-----2017-10-24 103.197.69.111

2017-10-24-----2017-10-24 45.199.77.133