Yandex.Browser uses DNSCrypt technology, which protects users from DNS hijacking and spoofing.
You need to know your IP address to connect to internet sites. It's easier for users, however, to remember domain names (the letters comprising the site address) than to remember the string of numbers that make up the IP address. DNS is a widely-used system for getting the IP addresses that correspond to domain names.
When a user enters a website address, this is what happens:
The lack of encryption means that:
DNS on Wikipedia
This is how DNSCrypt technology works:
To enable encryption of DNS requests: