How DNS works step by step || DevOps Training @DevOpsAndCloudWithSiva

Upcoming Batch Details: ==================== Registration Link: https://tally.so/r/3xPozo 🗓️ Demo: 15-DEC-2024, 10:30 AM IST 🧑‍🏫 Classes: 16-DEC-2024, 07:15 AM IST 🕖 Timings: 07:15-08:45 AM IST, Monday to Friday 🎙️ Language: Telugu ⏳ Duration: 4 months ⏲️ Hours: 120+ Hrs ========================================== Full Course Details: https://www.joindevops.com/devsecops-with-aws-siva-82s Whatsapp community: https://chat.whatsapp.com/C5wXeMVH0Fh2RbEaExCNXF (All upcoming updates will be updated here, don't miss out!) ========================================== Chat Support: +91 6281937079 Social Links: =========== LinkedIn: https://www.linkedin.com/in/sivakumar-reddy-mettukuru/ Instagram: https://www.instagram.com/sivakumar_reddy_m/ Facebook: https://www.facebook.com/sivakumarreddy.mettukuru/ Website: https://www.joindevops.com #devops #aws #devopstraining I explained how DNS works in this video. How DNS works step by step || DevOps Training Domain Name System (DNS) is a critical component of the internet infrastructure that allows users to access websites and online resources by translating human-readable domain names into IP addresses that computers can understand. DNS servers work together to provide this service to users around the world. Here is a step-by-step explanation of how DNS servers work: A user enters a website address or domain name in their web browser. For example, www.example.com. The user's computer sends a DNS query to the local DNS resolver, which is typically provided by the Internet Service Provider (ISP). If the local DNS resolver has the IP address for the requested domain name in its cache memory, it returns the IP address to the user's computer. If the local DNS resolver doesn't have the IP address in its cache, it sends a recursive query to the root DNS server. The root DNS server responds to the recursive query by providing the IP address of the top-level domain (TLD) DNS server for the requested domain name. The local DNS resolver sends a recursive query to the TLD DNS server, which responds with the IP address of the authoritative DNS server for the requested domain name. The local DNS resolver sends a recursive query to the authoritative DNS server, which responds with the IP address of the website or resource requested. The local DNS resolver caches the IP address for the requested domain name, so that subsequent requests can be served more quickly. The local DNS resolver returns the IP address to the user's computer, which uses it to establish a connection with the website or resource requested. In summary, DNS servers work together to provide a critical service that allows users to access websites and online resources by translating human-readable domain names into IP addresses that computers can understand. By following the steps outlined above, DNS servers help to ensure that internet traffic can be routed efficiently and reliably, even as the number of websites and online resources continues to grow.