BELL Canada a consumer ISPs have started the practice of DNS hijacking on non-existent domain names, for the purpose of making money by displaying advertisements. This practice violates the RFC standard for DNS (NXDOMAIN) responses, and can potentially open users to cross-site scripting attacks. This is confirmed by several members of broadband web forum.
Following screen displays DNS hijacking
Alternate DNS Server
You can use the following DNS server to avoid DNS hijacking:
4.2.2.1 4.2.2.2 4.2.2.3 4.2.2.4 4.2.2.5 4.2.2.6
How Do I Change DNS Settings Under MAC OS X Leopard?
- Click on the System Preferences.
- Select Network.
- Select Built In Ethernet and click Advanced.
- Select the DNS tab and add 4.2.2.1, 4.2.2.2, and 4.2.2.3 to the list of DNS servers.
- Click OK to save the changes.
How Do I Change DNS Settings Under Linux / UNIX / FreeBSD?
- Open the terminal.
- Type the following command:
- Update name server as follows:
- Save and close the file.
sudo vi /etc/resolv.conf
nameserver 4.2.2.1 nameserver 4.2.2.2 nameserver 4.2.2.3
How Do I Change DNS Settings Under MS-Windows XP / Vista / 7?
- Click the Stat button.
- Select Control Panel.
- Select View network status.
- Select Properties button.
- Select TCP/IPv6 > Properties.
- In the Preferred DNS server type 4.2.2.1 and 4.2.2.2
- Save and close the changes.
And just who is 4.2.2.1 (Level 3 Parent, LLC) and why should I trust them anymore than 1.1.1.1 (Cloudfare DNS)?
Is it just an example?