iP or domain name lookup

flexbooks.ck12.org Server iP：

Current resolution：

domain resolution record：

2026-01-16-----2026-03-11 13.35.238.24

2026-01-16-----2026-03-11 13.32.230.67

2026-01-16-----2026-03-11 65.9.175.30

2026-01-16-----2026-03-11 13.32.230.103

2026-01-16-----2026-03-11 3.169.121.53

2026-01-16-----2026-03-11 18.155.202.39

2026-01-16-----2026-03-11 13.32.230.110

2026-01-16-----2026-03-11 65.9.175.100

2026-03-05-----2026-03-11 18.155.202.89

2026-03-11-----2026-03-11 18.65.185.39

2026-03-11-----2026-03-11 13.35.238.57

2026-03-11-----2026-03-11 18.65.185.122

2026-03-11-----2026-03-11 18.155.202.7

2026-03-11-----2026-03-11 18.155.202.11

2026-03-11-----2026-03-11 3.175.207.110

2026-03-11-----2026-03-11 65.9.175.49

2026-01-16-----2026-03-05 13.35.238.64

2026-01-16-----2026-03-05 18.65.185.121

2026-03-05-----2026-03-05 65.9.175.64

2026-01-16-----2026-01-16 13.225.196.37

2026-01-16-----2026-01-16 18.65.185.74

2026-01-16-----2026-01-16 13.35.238.115

2026-01-16-----2026-01-16 3.175.207.8

2026-01-16-----2026-01-16 3.170.221.3

2026-01-16-----2026-01-16 3.175.207.34