Glossary — Letter D
Clear definitions for technical terms in hosting, servers, DNS, security, WordPress, and digital marketing. 300 terms available
Data Center
Data Center is a purpose-built facility that houses servers, storage, and networking equipment used ...
Database Backup
Database Backup is a point-in-time copy of a database that can be used to restore data after acciden...
Database Index
Database Index is a data structure that speeds up queries by letting the database locate rows withou...
Database Replication
Database Replication is the process of copying and continuously synchronizing data from one database...
Database Schema
Database Schema is the formal blueprint that defines how data is organized in a database, including ...
Database Server
Database Server is a server system that stores, organizes, and serves data to applications using a d...
DDoS Attack
DDoS Attack is a distributed denial-of-service attempt to overwhelm a server, network, or applicatio...
DDoS Protection
DDoS Protection is a set of security measures that detects, absorbs, and mitigates distributed denia...
Dedicated Hosting
Dedicated Hosting is a hosting model where a single physical server is leased to one customer, provi...
Deep Learning
Deep Learning is a subset of machine learning that uses multi-layer neural networks to learn pattern...
Deployment
Deployment is the process of delivering a website or application from development into a live hostin...
DirectAdmin
DirectAdmin is a commercial web hosting control panel used to manage servers and hosting accounts th...
Disk I/O
Disk I/O is the rate and responsiveness at which a server reads and writes data to storage devices s...
Django
Django is a high-level Python web framework that helps developers build secure, maintainable website...
DKIM
DKIM is an email authentication method that uses cryptographic signatures to prove a message was aut...
DMARC
DMARC is an email authentication standard that helps domain owners prevent spoofing and reduce phish...
DNS
DNS is the internet naming system that translates human-readable domain names into IP addresses and ...
DNS Propagation
DNS Propagation is the period during which updated DNS records (such as A, AAAA, CNAME, MX, or NS) s...
DNS Record
DNS Record is a structured entry in the Domain Name System that maps a domain or hostname to a desti...
DNS Server
DNS Server is a server that answers Domain Name System queries by translating human-readable domain ...
DNSSEC
DNSSEC is a set of DNS extensions that adds cryptographic signatures to DNS records so resolvers can...
Docker
Docker is a containerization platform that packages an application and its dependencies into portabl...
Domain Name
Domain Name is a human-readable internet address (such as example.com) that maps to an IP address so...
Domain Parking
Domain Parking is the practice of registering or holding a domain name without actively using it for...
Domain Privacy
Domain Privacy is an add-on service that hides a domain registrants personal contact details in publ...
Domain Redirect
Domain Redirect is a DNS- and web-server level method that sends visitors from one domain or URL to ...
Domain Registrar
Domain Registrar is a company accredited to sell and manage internet domain names on behalf of regis...
Domain Registry
Domain Registry is the authoritative organization that operates a top-level domain (TLD) database an...
Domain Renewal
Domain Renewal is the process of extending a domain name registration for another term before it exp...
Domain Squatting
Domain Squatting is the practice of registering, holding, or using domain names that closely match b...
Domain Transfer
Domain Transfer is the process of moving a registered domain name from one registrar to another whil...
Downtime
Downtime is the period when a website, server, or hosting service is unavailable or cannot respond c...
Drupal Hosting
Drupal Hosting is a web hosting setup optimized to run the Drupal content management system reliably...
DV SSL
DV SSL is a Domain Validation SSL/TLS certificate that confirms the requester controls a domain and ...