1 | Critical component of the Internet; maps names to IP addresses; mail exchanger; global directory service |
2 | Unix clients use resolver to access DNS servers |
3 | DNS servers query each other to resolve names |
4 | Client |
5 | Local |
6 | DNS |
7 | Company |
8 | DNS |
9 | COM |
10 | DNS |
11 | Root |
12 | DNS |
13 | www.company.com |