DNS - Domain Name System - translates easily memorized domain names to the numerical IP addresses. IP addresses are needed for locating computer services and devices worldwide. It would be too difficult to remember IP addresses, so the domain names have been introduced and the DNS founded. Thanks to DNS, you only need to remember the domain names, the DNS cares for the right connection with the requested web page.
How does DNS work? Each domain name has been given authoritative DNS servers, which save concrete DNS records of a specific IP address. The authoritative DNS servers are registered in the Whois database.
But how does your browser know them? For explanation see the picture underneath.
Your internet provider has assigned "local" DNS servers (caching servers) to your PC at home. The internet browser in your PC asks the local DNS servers if they know the IP address for requested domain (in this case www.forpsi.eu). The server searches its memory (caching), where it stores data about IP addresses, and when no record is found, it asks somewhere else:
Trouble logging in? Simply enter your email address OR username in order to reset your password.
For faster and more reliable delivery, add email@example.com to your trusted senders list in your email software.