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Data Extraction Glossary

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DNS

DNS proxy

DNS proxy is used by both individual users as well as organizations to manage DNS requests between clients and DNS servers. It’s privacy, improves network settings, increases speed, and adds control. Many advanced tools and services depend on a DNS proxy for appropriate DNS traffic handling.

What is a DNS proxy?

DNS proxy works like a bridge between the user and the web. Its main function is to forwards requests from clients to other DNS systems. First, it receives domains name system requests, handles DNS query traffic, and then returns the right IPs. The key role of a DNS proxy server is to filter traffic and log DNS lookups. Also, this server assists in enabling safe as well as managed access to domain names by handling querying tasks effectively.

How does DNS work?

Well, the expanded form of DNS is Domain Name System. As the name suggests, it converts domain names into IP addresses, which the system can understand. Whenever you try to open a website by entering a URL, your system sends DNS requests to Domain Name System servers. Then these servers send the matching IP. This whole process is known as DNS resolutions. Here, the DNS proxy can assist by filtering, caching, and forwarding requests. It also helps in addressing requests accurately and managing system responses efficiently.

DNS Proxy vs. DNS Resolver: Difference between them

The key difference between a domain name system resolver and a proxy is that a resolver directly communicates with the Domain Name System servers to resolve the name. Whereas the main function of a DNS proxy is to manage the movement of DNS traffic. Proxies add controls, logs, as well as smart filtering like smart DNS. Furthermore, DNS proxy servers offer more features than a resolver, including support for rule-based naming and custom name resolutions.

Pros & Cons

This kind of proxy can speed up browsing via a caching feature. It assists in controlling network traffic and, at the same time, blocks unwanted content.

However, misconfigured DNS proxy tools can block good websites. Hence, configuring needs care, especially in complicated networks.

Examples

  • A router uses a DNS proxy for home filtering.
  • Businesses use these proxies to track Domain Name System requests.
  • Parental control tools use DNS proxies.

DNS proxy tools help control and monitor domain name system behavior across all clients and services.