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