Frontend System Design
/Beginner
DNS Resolution
Definition
The Domain Name System (DNS) translates human-readable domain names (like google.com) into machine-readable IP addresses (like 142.250.190.46). It is highly distributed and hierarchical.
Explain Like I'm New
DNS is the phonebook of the internet. You look up a name ('Google'), and DNS gives you the phone number ('IP Address') so your computer can connect.
Architecture & Flow
Interview Questions
basic
- Can you explain the basic concept of DNS Resolution?
- Why is DNS Resolution important in frontend system design?
intermediate
- How does DNS Resolution impact perceived performance and user experience?
- Describe a scenario where you had to debug an issue related to DNS Resolution.
advanced
- In a highly scaled enterprise system, how do you optimize DNS Resolution?
- What are the security implications of DNS Resolution?
trick
- Can DNS Resolution be entirely bypassed or disabled? What happens if it is?