domain is a very popular term used in computer and information technology. Users generally do not know or misinterpret the domain keyword meaning. The domain can be used in different areas of computer science. In this tutorial, we will learn Domain meaning and types with the purpose and difference with the Domain and Hosting. Domain Types Domain definition can be used in different areas in computer science or information technology....
Technical or not most of the people know the router word. Those who know the router can understand a different thing from the word. In this tutorial, we will try to explain what is a router in a technical and non-technical way with router functions, router types and router security. What is a Router For? A router is a device which will connect different networks and the internet together. Typical...
nslookup is a very powerful tool used to get DNS realted information from DNS servers. We can get web server IP address, Mail Server IP address, Alternative IP addresses, DNS Management Information etc from DNS servers with the nslookup command. Query and Print A Type Records We will start with a simple and general example. We will query and list the A type of records. A type record is used to...
Domain Name System aka DNS is used to match domain names to the IP addresses. DNS is provided over intranet and internet servers with different port numbers. TCP or UDP DNS can use both transmission protocols TCP and UDP. But general usage is over UDP protocol because of its simplicity and speed. TCP Port 53 One of the used DNS port is TCP Port 53. TCP provides stability over DNS...
Google is a huge company which provides paid and free services. It mainly operates in IT and internet area. Internet uses DNS in order to solve domain names into IP addresses. Because internet infrastructure works with IP addresses. Google provides free DNS servers which can be used for fast and free domain resolution. In this tutorial we will learn Google DNS features and how to use in Linux, Ubuntu, Debian,...
DNS is used to translate between a human-readable name like poftut.com and IP address like 45.79.1333.118. DNS can use both UDP and TCP protocols but generally, UDP protocol is preferred. In this tutorial, we will learn how to flush, clear the DNS cache with ipconfig /flushdns command. This tutorial can be applied to the All Windows Operating system versions like Windows XP, Windows 7, Windows 8, Windows 10, Windows Server...
Hostname is used to name the systems. Normally the computer networks work with IP addresses in order to identify and communicate. But hostname provides human friendly way to name, identify, communicate with other systems. Example Hostname Hostname is just a meaningful word for the system administrators to name a system. For example we can use db1 for first database server or app3 for the third application server. Default Hostname Hostnames generally set...
wWDNS system provides different types of information about the domains. SOA or Start Of Authority is one type of information which provides domain and domain server related information. In this tutorial we will examine SOA record and related information. Query SOA Of A Domain We will start simply querying Domain Name SOA records withnslookup . This will list some information about the domain those will be explained below. The domain in...
New comers to the Linux generally asks for what is the purpose and usage of the /etc/hosts file. /etc directory holds system and service related configuration. hosts file is used to store host name or DNS to IP address resolution. It provides easy way to match a host or DNS name with an IP address. List Current Host or DNS to IP Address Resolutions We can easily read and print current content...
whois very popular and useful tool used to list and find domain information. We generally know that domain and sub domains are resolved to the IP address and our browser redirects to this IP address. But the actual story is not just this. Domain names have a lot of attributes which is consist of following sections. Registrant Admin Tech Name Server … Install For Ubuntu, Debian, Mint, Kali Now we...
