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Host command: What is it?

by RazaCommands April 18, 2024April 18, 2024No Comments

Host command is a versatile utility that plays a crucial role in network diagnostics and domain resolution. Let’s delve into what exactly it is, how it functions, and its practical applications. So, let’s begin!

What is the Host Command?

The host command is a command-line utility used in Unix-like operating systems, including Linux and macOS. It serves the primary purpose of performing DNS (Domain Name System) lookups. DNS is the system responsible for translating human-readable domain names into IP addresses, enabling computers to locate and communicate with each other on the internet.

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Ping command – Why do you need to use it?

by RazaCommands, Network November 18, 2022November 21, 2022No Comments

Ping command – Definition

The Ping command is one of your operating system’s built-in network diagnostic commands (Windows, Linux, macOS, FreeBSD, etc.). Ping is used to testing connectivity between your device and the target, which can be a hostname such as google.com or an IP address such as 192.168.2.1.

Ping sends four 32-byte messages to the target by default, using the ICMP protocol (Internet control message protocol).

Popular examples of Ping command

Traceroute command: Definition & Examples

by RazaCommands October 31, 2022January 11, 2023No Comments

Do you need to know what path the queries take to your domain? Then, here comes the Traceroute command. Let’s see how this software can trace the route of queries and why this information is so useful.

Traceroute command – Definition

Traceroute command is software with CLI (command-line interface) that you can find inside most of the popular operating systems (Windows, macOS, Linux, BSD, and more) and serves to check the route from your device to a destination (domain name or IP address).

The Traceroute traces the route to the target by sending queries, waiting to get the results, and showing you statistics about the package delivery. You will know what time the packages take to get to the end destination and if there were lost packages.

What do you need to know about TTL?

by RazaCommands, DNS records, Network June 2, 2022October 26, 2023No Comments

TTL: Definition

Time-to-live (TTL) is the value that specifies the time period or number of hops that a data packet must travel to be alive. Either across the network or in the memory cache. It will be terminated when this timer expires, or the data packet reaches its hop limit. Data packets are not all the same; they vary in size and shape, but each has a different TTL. The amount of time data packets should live in a device to perform their missions should be determined.