DNS : The Domain Name System

domain name system - DNS

DNS : The Domain Name System

March 28, 2018 Satya Prakash 3 Comments and so fourth. Like in the file system, basic of dns, basis of dns, Because of sheer numbers of hosts on the Internet, but its maintenance because so painful that Berkeley had to step in with the Domain Name System (DNS). DNS is a distributed system that is scalable, DNS : The Domain Name System, DNS concepet, easy, hosts belongs to domains, It introduces three key concepts: A hierarchical organization of host names A distributed database for performing the name-address mappings. Delegation of authority to individual levels of hierarchy. , signified by a . (dot). The root domain has immediately below it a number of top level domains (TLDs) or generic domains like edu and com. These in turn have number of sub domains or second level doma, these domains and sub domains form a hierarchy with the root domain as the top, we can't use host's file (/etc/hosts) them. The ineternet has centralized file in its teens, what is DNS, what is domain name system, which in turn could belong to sub domains

Why we use DNS? To know this follow the link http://t4test.com/blog/etchosts-the-host-file/ Because of sheer numbers of hosts on the Internet, we

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Domain Name System

September 18, 2020 Krishna DNS, Domain Name, Domain Name System

Domain Name System (DNS) and its ability to translate names to IP addresses and back. The DNS that you may

What is DDoS Attack. Basic introduction of DDoS

August 20, 2022August 23, 2022 Mohini Kumari 0 Comments

It stands for Distributed Denial-of-service (DDoS) Attack. Distributed Denial-of-service (DDoS) Attack, is defined as a malicious user trying to make

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Basic Question and Answer of Ethical Hacking – IT Security

September 10, 2021September 10, 2021 eduguru 0 Comments basic, basic question of ethical interview, ETHICAL HACKING, HACKING, job interview of ethical hacking, Linux, question answer of ethical hacking, security, top question for ethical hacking interview

Here are the Top 25 Basic Questions and their Answer of Ethical Hacking – IT Security. Ethical Hacking interview questions

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How to Hack a Web Server

September 2, 2021 eduguru 0 Comments and passwords, email addresses, etc. This has made them targets to attackers. Defaced websites can also be used to communicate religious or political ideologies etc. Here, How to Hack a Web Server, How to Hack a Web Server Most websites store valuable information such as credit card numbers

How to Hack a Web Server Most websites store valuable information such as credit card numbers, email addresses, and passwords,

Error 105 Code

December 25, 2020 Krishna 105, Code Error, Error 105 Code

Error 105 is displayed following a DNS lookup failure, which means that after you enter the URL of the website you’re

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Windows Basics

September 22, 2020 Krishna Groups, NULL Sessions, PsTools Suite, Security Identifiers, Services and Ports of Interest, Users, Windows, Windows Basics

The Microsoft Windows operating system is designed to be used as either a stand-alone or a networked environment; however, for

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Identifying the vulnerability shortlist

July 4, 2020 Krishna Computer Security, cyber security, HACKERS, HACKING, Identifying the vulnerability shortlist, security

The VM solution you select needs to provide the capability to scan for and fix vulnerabilities in a broad range

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Mapping the Network

June 27, 2020 Krishna Attacks, HACKERS, HACKING, IT- Security, Linux, Mapping the Network, Networking Attacks, security, security attacks

As part of mapping out your network, you can search public databases and resources to see what other people know

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Determining What’s Running on Open Ports

June 25, 2020 Krishna COMPUTER HACKING, Determining What’s Running on Open Ports, HACKERS, HACKING, IT- Security, Ports, running ports, security, system security

As a security professional, you need to gather the things that count when scanning your systems. You can often identify

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