iP or domain name lookup

rl.tandem.net Server iP：

Current resolution：

domain resolution record：

2025-01-06-----2025-01-06 52.200.253.153

2025-01-06-----2025-01-06 3.220.30.137

2021-07-03-----2021-07-03 52.2.18.115

2021-07-03-----2021-07-03 3.214.173.45

2019-09-28-----2019-10-23 3.215.21.96

2019-09-28-----2019-10-23 52.202.175.118

2019-08-24-----2019-08-24 52.204.244.156

2019-08-24-----2019-08-24 35.169.240.46

2017-08-06-----2017-08-07 54.243.120.0

2017-08-06-----2017-08-07 174.129.219.223