Domain Name System & Reverse DNS lookup - Unionpedia, the concept map

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Difference between Domain Name System and Reverse DNS lookup

Domain Name System vs. Reverse DNS lookup

The Domain Name System (DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources on the Internet or other Internet Protocol (IP) networks. In computer networks, a reverse DNS lookup or reverse DNS resolution (rDNS) is the querying technique of the Domain Name System (DNS) to determine the domain name associated with an IP address – the reverse of the usual "forward" DNS lookup of an IP address from a domain name.

CNAME record

A Canonical Name (CNAME) record is a type of resource record in the Domain Name System (DNS) that maps one domain name (an alias) to another (the canonical name).

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Domain name

In the Internet, a domain name is a string that identifies a realm of administrative autonomy, authority or control.

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Domain Name System

The Domain Name System (DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources on the Internet or other Internet Protocol (IP) networks.

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Forward-confirmed reverse DNS

Forward-confirmed reverse DNS (FCrDNS), also known as full-circle reverse DNS, double-reverse DNS, or iprev, is a networking parameter configuration in which a given IP address has both forward (name-to-address) and reverse (address-to-name) Domain Name System (DNS) entries that match each other.

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Internet Engineering Task Force

The Internet Engineering Task Force (IETF) is a standards organization for the Internet and is responsible for the technical standards that make up the Internet protocol suite (TCP/IP).

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Internet Standard

In computer network engineering, an Internet Standard is a normative specification of a technology or methodology applicable to the Internet.

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IP address

An Internet Protocol address (IP address) is a numerical label such as that is assigned to a device connected to a computer network that uses the Internet Protocol for communication.

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IPv4

Internet Protocol version 4 (IPv4) is the first version of the Internet Protocol (IP) as a standalone specification.

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IPv6

Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.

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List of DNS record types

This list of DNS record types is an overview of resource records (RRs) permissible in zone files of the Domain Name System (DNS).

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Octet (computing)

The octet is a unit of digital information in computing and telecommunications that consists of eight bits.

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Phishing

Phishing is a form of social engineering and a scam where attackers deceive people into revealing sensitive information or installing malware such as viruses, worms, adware, or ransomware.

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Simple Mail Transfer Protocol

The Simple Mail Transfer Protocol (SMTP) is an Internet standard communication protocol for electronic mail transmission.

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Time to live

Time to live (TTL) or hop limit is a mechanism which limits the lifespan or lifetime of data in a computer or network.

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Virtual hosting

Virtual hosting is a method for hosting multiple domain names (with separate handling of each name) on a single server (or pool of servers).

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.arpa

The domain name arpa is a top-level domain (TLD) in the Domain Name System (DNS) of the Internet.

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