iP or domain name lookup

6638996.fls.doubleclick.net Server iP：

Current resolution：

domain resolution record：

2024-01-12-----2024-01-12 142.250.189.166

2024-01-12-----2024-01-12 142.251.222.38

2024-01-12-----2024-01-12 142.251.10.149

2024-01-12-----2024-01-12 142.250.185.230

2023-07-31-----2023-07-31 142.251.46.166

2023-07-31-----2023-07-31 74.125.68.149

2023-07-31-----2023-07-31 142.250.184.198

2023-07-31-----2023-07-31 172.217.161.38

2020-08-11-----2020-08-11 203.208.40.37

2020-08-11-----2020-08-11 172.217.161.166

2020-08-11-----2020-08-11 203.208.50.165

2020-08-11-----2020-08-11 203.208.50.101

2020-08-11-----2020-08-11 203.208.40.101

2020-08-11-----2020-08-11 203.208.43.69

2020-08-11-----2020-08-11 203.208.43.101

2020-08-11-----2020-08-11 203.208.40.69

2020-08-11-----2020-08-11 203.208.41.37

2020-08-11-----2020-08-11 203.208.41.69