#2535
Hosts Editor, as the name implies, it is a lightweight (500 KB) and practical hosts file managing utility, which can fast and conveniently open and manage the hosts file, including editing, permission setting, backup and restore, DNS cache refreshing, etc. - just a few clicks.

#2344
DNS Helper (successor of Google DNS Helper) is another simple DNS fast switching utility for a faster, safer and more reliable Internet experience purpose. It's designed to quickly switch over to the popular global free DNS servers (or your own custom DNS servers) with backup/restore feature.

#2342
For DNS server, the response speed is not the only standard to measure its performance. Certainly the response time should be as short as possible, but the stability and security is also important factors. A DNS server without stability (intermittent) will cause web page loading problems even it has very fast response.

#2333
For home users, accessing any website has to pass through a local ISP's default DNS servers, which decide whether we can access some websites or not, as well as their access speed and security. Althrough we can change the DNS, problem is, the method used to manually modify is too complicated and troublesome for ordinary users, so we'd better use tools instead.

#1372
First, you need to know 3 things about the DNS:
  1. What's DNS (see here)
  2. What benefits can DNS bring us? (below)
  3. How to change your DNS settings (see the 'Related Links' part below)