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Reverse DNS

Reverse DNS (rDNS) is name resolution that looks up an IP addresses to obtain a domain name, performing the opposite function of the DNS server,…

DNS records Query Sequence

Root Nameserver

A Root Nameserver is a fundamental component of the Domain Name System (DNS) infrastructure. It is the highest level of the DNS hierarchy and serves…

Types of Sensors

Sensor

A sensor is a device or a module that detects and measures physical or chemical phenomena such as temperature, pressure, light, sound, or motion, and…

Sign-Magnitude

Sign-magnitude is a binary fixed-point representation method for numbers in computers. To perform calculations, computers must store numerical values. The simplest way is to use…

What is TLD ?

TLD

A Top-Level Domain (TLD) is the last segment of a domain name located to the right of the dot (“.”). It is the highest level…

DNS records Query Sequence

TLD Nameserver

A Top-Level Domain (TLD) Nameserver, also known as a TLD Nameserver or TLD DNS server, is responsible for handling DNS queries related to a specific…

two's complement

Two’s Complement

What is Two’s Complement ? One’s Complement solves the problem of signed bit operations, but there is still a problem that is not solved, that…