Moreover, some services are capable of blocking ads and adware. The use of a secure DNS server also strengthens your privacy by only storing your queries for a limited amount of time. The main idea behind them is to keep a record of malicious sites, maintain up-to-date blacklists, and restrict access to these potentially harmful entities. Secure DNS servers are designed to protect you against malicious web resources and prevent your kids from accessing unwanted content. It will find the relevant site, no matter where on the Internet it is located. Every time you look up information on any search engine, your request is routed to your DNS server. If this server gets a request for an unknown resource, it forwards it to a higher-level counterpart. This service is often compared to a phone number directory.ĭNS is a hierarchical system: each zone on the Internet has its dedicated DNS server (or a series of them) that knows all the domain names within its range. Here is an illustration: an arbitrary IP address 12.345.678.90 is automatically transformed into a human-readable URL like. It maps every web resource's IP address, which looks like a random hard-to-remember string, to an alphanumeric domain name. What is DNS?ĭNS (Domain Name System) is one of the fundamental services on the Internet. Let's see what this technology is, how it works, and how to choose the service that won't let you down. One simple and affordable measure to stay protected against online perils is to use a secure DNS server. In addition to violating the law, they often disseminate viruses as an extra layer of monetization. Online resources with prohibited materials related to drugs or terrorism are in the shady area as well. They contain scripts that are automatically executed on the client side, that is, on your computer or smartphone, and deposit spyware, bots, or file-encrypting ransomware behind the scenes. Sites that infect devices without any interaction with visitors are particularly dangerous. Phishing sites that mimic legitimate sign-in or registration pages to steal passwords or financial data are also very widespread. These dodgy entities promote predatory code ranging from low-impact adware to extremely dangerous ransomware. Here is a common scenario: when searching the web for some software, you may come across rogue app marketplaces that host booby-trapped program installers. Malicious sites may contain ads that, when clicked, download harmful code onto your device in the blink of an eye. Therefore, vigilance during web surfing is hugely important these days. The bitter reality is that the Internet is chock-full of malicious sites that spread malware, wheedle out sensitive information through phishing schemes, or hoodwink users into paying for services they don't need. Most of us visit a wide range of websites every single day, including educational, entertainment, and news resources.
0 Comments
Leave a Reply. |