iP or domain name lookup

invite.duolingo.com Server iP：

Current resolution：

domain resolution record：

2024-05-14-----2024-05-18 54.221.113.145

2024-05-17-----2024-05-18 54.86.212.21

2024-05-11-----2024-05-17 23.20.32.205

2024-05-11-----2024-05-17 3.224.124.54

2024-05-11-----2024-05-13 3.231.109.27

2024-05-11-----2024-05-13 52.205.160.113

2024-05-13-----2024-05-13 54.152.159.121

2024-04-17-----2024-04-20 3.223.76.118

2024-04-20-----2024-04-20 3.219.98.51

2024-04-20-----2024-04-20 52.202.99.134

2024-04-20-----2024-04-20 3.219.92.22

2024-04-17-----2024-04-17 3.212.246.222

2024-04-17-----2024-04-17 3.232.90.212

2024-04-03-----2024-04-07 3.221.249.197

2024-04-03-----2024-04-07 52.204.29.139

2024-04-07-----2024-04-07 52.20.150.224

2024-04-03-----2024-04-04 35.172.14.218

2024-03-24-----2024-03-24 34.196.0.189

2024-03-24-----2024-03-24 18.235.139.135

2024-03-24-----2024-03-24 54.156.102.32

2024-03-02-----2024-03-10 34.234.199.131

2024-03-02-----2024-03-10 3.229.153.213

2024-03-10-----2024-03-10 52.0.225.227

2024-03-02-----2024-03-03 3.94.240.161

2024-02-24-----2024-02-24 52.73.34.68

2024-02-24-----2024-02-24 34.199.212.124

2024-02-24-----2024-02-24 3.224.161.141

2024-01-31-----2024-02-09 54.156.106.163

2024-02-09-----2024-02-09 34.236.189.175

2024-02-09-----2024-02-09 3.224.19.124

2024-01-31-----2024-02-07 34.207.6.196

2024-01-31-----2024-02-02 54.205.6.229

2023-11-16-----2023-11-25 3.218.19.34

2023-11-16-----2023-11-25 44.209.58.88

2023-11-25-----2023-11-25 23.20.93.90

2023-11-25-----2023-11-25 18.204.255.166

2023-11-07-----2023-11-16 18.209.120.117

2023-11-16-----2023-11-16 54.234.166.102

2023-11-07-----2023-11-11 44.196.253.50

2023-11-11-----2023-11-11 54.209.45.185

2023-11-11-----2023-11-11 3.221.190.76

2023-11-07-----2023-11-07 54.86.27.53

2023-11-07-----2023-11-07 3.216.164.111

2023-09-08-----2023-09-15 44.196.220.83

2023-09-15-----2023-09-15 18.213.149.139

2023-09-15-----2023-09-15 54.225.220.158

2023-09-15-----2023-09-15 34.206.142.1

2023-09-15-----2023-09-15 54.87.8.139

2023-09-08-----2023-09-09 54.210.193.206

2023-09-08-----2023-09-08 3.219.108.147