The hostname column will display website addresses, such as www.example.com.

1. In Wireshark, press Ctrl + Shift + P (or select edit > preferences).
2. In the left panel of the preferences pop-up box, select Columns.
3. At the bottom, Click Add.
4. Name the new column hostname.
5. Change field type from Number to Custom.
6. In field name, enter http.host.
7. Select OK.

By default, the hostname column should be displayed. If not, right click on any column, select Displayed Columns and checkmark the hostname column.