iP or domain name lookup

mail.gt-led.com Server iP：

Current resolution：

domain resolution record：

2017-01-13-----2019-07-15 42.156.140.99

2019-07-15-----2019-07-15 42.120.158.76

2019-07-15-----2019-07-15 42.120.226.7

2019-07-15-----2019-07-15 42.120.219.1

2017-01-12-----2017-01-12 183.60.15.173

2017-01-12-----2017-01-12 112.90.78.157

2017-01-12-----2017-01-12 183.232.88.174

2017-01-12-----2017-01-12 14.17.42.118

2017-01-12-----2017-01-12 120.198.201.151

2017-01-12-----2017-01-12 112.90.77.178