iP or domain name lookup

www.nationalgrid.com Server iP：

Current resolution：

domain resolution record：

2023-09-08-----2023-09-10 104.18.43.54

2023-09-08-----2023-09-10 172.64.144.202

2023-03-09-----2023-03-09 104.18.15.122

2023-03-09-----2023-03-09 104.18.14.122

2019-03-08-----2023-01-19 104.16.172.25

2019-03-08-----2023-01-19 104.16.169.25

2019-03-08-----2023-01-19 104.16.171.25

2019-03-08-----2023-01-19 104.16.170.25

2019-03-08-----2023-01-19 104.16.173.25

2018-04-01-----2018-04-26 104.17.255.191

2018-04-01-----2018-04-26 104.17.1.192