Network attacks or viruses can make DNS cache corrupt, leading the IP address mapping of some websites get corrupted. That is why less loading time uses when you access a website at the second time. So, the system can answer your browsing queries from the cache instead of costing more time to reroute to DNS servers. While, the IP addresses for the visited domains are included in DNS lookups. How to clear cache files on Mac with the professional Mac cleaner?Įvery time you enter a URL into your web browser to load it, a DNS (Domain Name System) lookup process is initiated. And the DNS cache is the temporary database that records all the recent DNS lookups. Then, when you go to a website, you won't be redirect to the malicious websites or get 404 errors anymore. This article will guide you to flush DNS cache on Mac in steps.

However, recently, you ask for visiting some websites but are redirected to malicious sites or feedback with 404 errors, it indicates certain attackers or viruses may be inserted in the DNS records on your Mac and prevents you from accessing the web properly.ĭon't worry too much about that.

It enable you to access the target website successfully through the browser once you send the requests. You may never notice your Mac's DNS cache as it works in the background secretly.

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