DNS cache is like an address book saved on your computer with the domain name server (DNS) information of each website you visit. DNS or Domain Name Server is a technology that tells your computer the IP address associated with a domain name. Saving the DNS information in a local DNS cac...
DNS flush is the process of manually deleting the temporary entries of a DNS cache. Without a direct intervention in the cache, the entries exist until their defined life span (“time to live”, TTL) has expired. Generally, the deletion process is completed usingsystem-specificflush DNS comman...
What is DNS cache?# DNS cache refers to the temporary storage of information about previous DNS lookups on a machine's OS or web browser. Keeping a local copy of a DNS lookup allows your OS or browser to quickly retrieve it and thus a website's URL can be resolved to its corresponding...
DNS Cache Poisoning Process: Poisoned DNS Cache: Instead of using TCP, which requires both communicating parties to perform a 'handshake' to initiate communication, DNS requests and responses use UDP, or the User Datagram Protocol. With UDP, there is no guarantee that a connection is open or ...
Learn how to view DNS cache information, steps you can take to clean your DNS cache, and the implications it can have on your infrastructure.
How does DNS work? The process of DNS resolution involves converting a hostname (such as www.example.com) into a computer-friendly IP address (such as 192.168.1.1). An IP address is given to each device on the Internet, and that address is necessary to find the appropriate Internet device...
Learn about cache and the different types of caching. Understand how it affects website speed, and how to clear it for optimal website performance.
Click on “Clear Cache”. iOS smartphone Set the device on Airplane mode for 15 seconds; Reboot the device. Windows In this case, there are two methods. The first one is: Open Start Menu, type “CMD” and open the Command Prompt; In it, type “ipconfig/flushdns” and press Enter; ...
What is DNS? Often called the internet’s phonebook, we explain what the domain name system is and why it is important for every website.
In DNS, the "A" record is the portion of the DNS entry that contains the IP address for the given host name. The DNS cache stores this address, the requested website name, and several other parameters from the host DNS entry.