How DNS (Domain Name System) Works | What is DNS ?
#DNS #Domain #DomainNameSystem #Cybersecurity #EthicalHacking #ComputerNetwork #IPAddress #DomainName #Zone #ZoneTransfer #DNSZoneTransfer What is DNS (Domain Name System ) Part 1 - https://youtu.be/JiEqDAdWqm4 What is DNS (Domain Name System ) Part 2 - https://youtu.be/drnL7KTRG0w What is DNS Zone Transfer - https://youtu.be/JRMQlbZvi1o In this video, we will discuss about how DNS (Domain Name System) works. 1) A request (www.google.com) from client from his browser, goes to the OS host file, if the request resource is there ( domain to IP mapping), then it will fetch the result and show it to you. 2) If not, then it goes to the ISP cache, if the mapping is there in the cache, it will fetch the result and show it to you. 3) Otherwise, it forwards to the Root Server, Root server will ask TLD server (Top Level Domain Server) {.com, org, edu..} 4) The TLD ( in our case, it is .com) will ask Name server for the mapping, the Name server will fetch the (www.google.com) domain to IP (172.168.0.2) to the client. 5) In the client browser, can see the google web page. What is DNS? How DNS works? What is Domain Name System ? How DNS is important in Cybersecurity? Subscribe for more videos : https://www.youtube.com/c/nileshkumarJadav/ Follow me on Twitter - https://twitter.com/nilusilu3 Connect me with Linkedin - https://www.linkedin.com/in/nileshjadav/ Follow me on Instagram - https://www.instagram.com/nileshk12345/ Follow my Facebook Page - https://www.facebook.com/TechnoCube-107350507784929/ For more .NET related Projects : https://www.c-sharpcorner.com/members/nilesh-jadav Our main goal is to improvise Science and Technology with better motivation, this can be achieved by developing something better and life saver application. This Channel contain low level programming on C#, Asp.Net, SQL Server apart from that it also deals with CyberSecurity and its major domain, Linux Stuff and also Advance Computer Networking. The channel outcome is specifically for the people who are working majorly with developing software and websites furthermore for people who are constantly diving deep in the cybersecurity domain.
#DNS #Domain #DomainNameSystem #Cybersecurity #EthicalHacking #ComputerNetwork #IPAddress #DomainName #Zone #ZoneTransfer #DNSZoneTransfer What is DNS (Domain Name System ) Part 1 - https://youtu.be/JiEqDAdWqm4 What is DNS (Domain Name System ) Part 2 - https://youtu.be/drnL7KTRG0w What is DNS Zone Transfer - https://youtu.be/JRMQlbZvi1o In this video, we will discuss about how DNS (Domain Name System) works. 1) A request (www.google.com) from client from his browser, goes to the OS host file, if the request resource is there ( domain to IP mapping), then it will fetch the result and show it to you. 2) If not, then it goes to the ISP cache, if the mapping is there in the cache, it will fetch the result and show it to you. 3) Otherwise, it forwards to the Root Server, Root server will ask TLD server (Top Level Domain Server) {.com, org, edu..} 4) The TLD ( in our case, it is .com) will ask Name server for the mapping, the Name server will fetch the (www.google.com) domain to IP (172.168.0.2) to the client. 5) In the client browser, can see the google web page. What is DNS? How DNS works? What is Domain Name System ? How DNS is important in Cybersecurity? Subscribe for more videos : https://www.youtube.com/c/nileshkumarJadav/ Follow me on Twitter - https://twitter.com/nilusilu3 Connect me with Linkedin - https://www.linkedin.com/in/nileshjadav/ Follow me on Instagram - https://www.instagram.com/nileshk12345/ Follow my Facebook Page - https://www.facebook.com/TechnoCube-107350507784929/ For more .NET related Projects : https://www.c-sharpcorner.com/members/nilesh-jadav Our main goal is to improvise Science and Technology with better motivation, this can be achieved by developing something better and life saver application. This Channel contain low level programming on C#, Asp.Net, SQL Server apart from that it also deals with CyberSecurity and its major domain, Linux Stuff and also Advance Computer Networking. The channel outcome is specifically for the people who are working majorly with developing software and websites furthermore for people who are constantly diving deep in the cybersecurity domain.