Domain Name Dictionary

.* — Domain Extensions (TLDs)

.ai ccTLDThe country code TLD for Anguilla, widely adopted by artificial intelligence companies and tech startups.Read more → .app gTLDA Google-operated extension for mobile apps and software. Requires HTTPS for all connections.Read more → .au ccTLDAustralia's country code domain, commonly used as .com.au for Australian businesses and organizations.Read more → .biz gTLDA business-oriented alternative to .com, launched in 2001 for commercial use.Read more → .ca ccTLDCanada's country code domain, restricted to individuals and entities with a Canadian presence.Read more → .cc ccTLDOriginally for the Cocos Islands, now used globally as an affordable premium alternative to .com.Read more → .club gTLDA generic extension for communities, membership organizations, and interest groups.Read more → .cn ccTLDChina's country code domain — one of the most registered ccTLDs in the world.Read more → .co ccTLDColombia's country code, widely adopted globally as a startup-friendly alternative to .com.Read more → .com gTLDThe most recognized domain extension in the world. The gold standard for businesses of all sizes.Read more → .de ccTLDGermany's country code — the largest ccTLD by registrations, widely used for German-market businesses.Read more → .dev gTLDA Google-operated extension for developers and dev tools. Requires HTTPS.Read more → .edu sTLDRestricted to accredited US educational institutions. Highly trusted and authoritative.Read more → .eu ccTLDThe European Union's domain extension, available to EU/EEA residents and organizations.Read more → .gg ccTLDGuernsey's country code, popular in gaming ('good game') and esports communities.Read more → .global gTLDAn extension for international businesses and organizations with a worldwide presence.Read more → .gov sTLDRestricted to US government entities at federal, state, and local levels.Read more → .guide gTLDA descriptive extension for how-to content, tutorials, and informational resources.Read more → .help gTLDAn extension for support portals, customer service, and help-oriented websites.Read more → .in ccTLDIndia's country code domain, one of the fastest-growing ccTLDs reflecting India's tech boom.Read more → .info gTLDOne of the first alternative TLDs, designed for informational websites and resources.Read more → .io ccTLDBritish Indian Ocean Territory's ccTLD, adopted by tech startups for its 'input/output' association.Read more → .live gTLDAn extension for live events, streaming, broadcasting, and real-time content platforms.Read more → .me ccTLDMontenegro's country code, popular for personal branding, portfolios, and URL shorteners.Read more → .mil sTLDExclusively for the US Department of Defense and military organizations.Read more → .mobi gTLDDesigned for mobile-optimized websites. Less popular since responsive design became standard.Read more → .net gTLDOriginally for network infrastructure, now a general-purpose alternative to .com.Read more → .now gTLDAn action-oriented extension conveying immediacy and urgency.Read more → .online gTLDA generic extension suitable for any internet-based business or digital presence.Read more → .org gTLDTraditionally for nonprofits and organizations, now open to anyone. Carries trust and authority.Read more → .pro gTLDAn extension for professionals and professional services — consultants, freelancers, and agencies.Read more → .so ccTLDSomalia's country code, gaining traction in the US/EU tech market as a short, modern alternative.Read more → .store gTLDA generic extension designed for e-commerce businesses and online retail storefronts.Read more → .tech gTLDA popular extension for technology companies, IT services, and tech-focused startups.Read more → .top gTLDOne of the most registered new gTLDs, popular in China and for generic web presences.Read more → .travel sTLDA sponsored TLD for the travel industry — agencies, hotels, airlines, and tourism businesses.Read more → .tv ccTLDTuvalu's country code, globally popular for streaming, video, and media platforms.Read more → .xyz gTLDMarketed as the domain for 'every website, everywhere.' Used by Alphabet (abc.xyz).Read more →

A

A RecordA DNS record that maps your domain name to the IP address of your web server.Read more → ACPA (Anti-Cybersquatting Consumer Protection Act)A US federal law targeting bad-faith domain registrations that infringe on trademarks.Read more → Acronym DomainA domain made up of initials, like IBM.com or AWS.com. Short and often very valuable.Read more → AftermarketThe secondary market where previously registered domains are bought and sold.Read more → Aged DomainA domain registered for years, often valued for its history, backlinks, and SEO authority.Read more → AhrefsA leading SEO toolset used to analyze backlinks, traffic, and domain metrics.Read more → Alpha DomainA domain composed entirely of letters — no numbers, hyphens, or special characters.Read more → AppraisalA professional or automated assessment of a domain's market value based on multiple factors.Read more → AuctionA competitive bidding process for buying and selling domain names.Read more →

B

BackorderPlacing a reservation to automatically register a domain the moment it expires and becomes available.Read more → BFCM (Brandable For Common Meaning)A strategy focused on short, pronounceable made-up words usable across multiple industries.Read more → BIN (Buy It Now)A fixed price at which a domain can be purchased immediately, without negotiation or auction.Read more → BlocklistA list of domains or IPs flagged for spam, malware, or other malicious activity.Read more → Brand ProtectionThe strategy of securing domains, trademarks, and social handles to protect your brand identity.Read more → Brandable DomainA unique, catchy, and memorable domain name suitable for building a brand around.Read more → BrokerA professional intermediary who negotiates domain transactions between buyers and sellers.Read more →

C

ccTLDCountry Code Top-Level Domain — a two-letter extension representing a specific country or territory.Read more → CDN (Content Delivery Network)A network of servers that delivers your website content faster by serving it from locations near your visitors.Read more → Cease and DesistA formal legal letter demanding someone stop using a trademarked term in a domain name.Read more → ChurningAn unethical practice of repeatedly trading domains among a small group to inflate prices artificially.Read more → CleanupReviewing and dropping underperforming domains from a portfolio to reduce renewal costs.Read more → CloakingShowing different content to search engines than to visitors — a black-hat SEO practice to avoid.Read more → CNAMEA DNS record that maps an alias domain name to another domain (the canonical name).Read more → Comps (Comparables)Historical sales of similar domains used to estimate a domain's value — like real estate comps.Read more → CPC (Cost Per Click)The amount advertisers pay per click on ads for a keyword — a factor in domain valuation.Read more → CVCVCA naming pattern (Consonant-Vowel-Consonant-Vowel-Consonant) that creates pronounceable, brandable names.Read more → CybersquattingRegistering a domain in bad faith to profit from someone else's trademark — illegal in most jurisdictions.Read more →

D

DA (Domain Authority)A Moz metric predicting how well a website will rank in search results, on a scale from 0 to 100.Read more → DDNS (Dynamic DNS)A service that automatically updates DNS records when your IP address changes.Read more → Defensive RegistrationRegistering domain variants to protect your brand from competitors and cybersquatters.Read more → Deleted DomainA previously registered domain that has been released back into the available pool after expiry.Read more → Dictionary DomainA domain using a real dictionary word — among the most valuable domain types (e.g., Hotels.com).Read more → DNS (Domain Name System)The 'phone book' of the internet that translates domain names into IP addresses computers can find.Read more → DNS RecordsConfiguration entries (A, CNAME, MX, TXT) that tell DNS servers how to handle requests for your domain.Read more → DomainA unique, human-readable internet address — both your website's location and a digital asset with real value.Read more → Domain FlippingBuying domains at a low price and reselling them for a profit — the core of domain investing.Read more → Domain HackA creative domain that uses the TLD as part of the word (e.g., del.icio.us, bit.ly).Read more → Domain InvestingThe practice of buying and holding domain names as assets, aiming to sell them at a profit.Read more → Domain LeaseRenting a domain name for a recurring fee without transferring ownership.Read more → Domain MigrationMoving your website from one domain to another — a common scenario when startups rebrand.Read more → Domain NameThe human-readable web address (like nicename.me) that people type to visit your website.Read more → Domain PropagationThe time it takes for DNS changes to be recognized across all internet servers worldwide.Read more → DomainerA person who invests in domain names professionally — your potential seller when buying a premium domain.Read more → DomainingThe business of buying, selling, and monetizing domain names — essentially digital real estate.Read more → DR (Domain Rating)An Ahrefs metric measuring the strength of a domain's backlink profile on a scale from 0 to 100.Read more → DropWhen a domain's registration expires and it becomes available for anyone to register.Read more → Drop CatchingUsing automated services to register valuable domains the instant they expire and become available.Read more → Drop DateThe specific date and time when an expired domain will be released for public registration.Read more → DRP (Domain Resolution Policy)Alternative dispute resolution policies used by various registries to handle domain conflicts.Read more →

E

EMD (Exact Match Domain)A domain that exactly matches a search query, such as CheapFlights.com for 'cheap flights.'Read more → End UserThe final buyer who will actually use the domain for their business — not resell it.Read more → EPP CodeA unique authorization code required to transfer a domain from one registrar to another.Read more → EscrowA secure payment intermediary that protects both buyer and seller in domain transactions.Read more → Exact Brand MatchWhen your domain exactly matches your company or product name — the ideal scenario for brand consistency.Read more → Expiring DomainA domain name whose registration period is about to end — a potential acquisition opportunity.Read more → Expiry AuctionAn auction held for a domain name that wasn't renewed by its owner before it becomes publicly available.Read more → ExtensionThe suffix at the end of a domain name (like .com, .io, .ai) — also called a TLD.Read more →

F

For-Sale Landing PageA temporary page on an unused domain advertising that the domain is available for purchase.Read more → ForwardingAutomatically redirecting visitors from one domain to another — common for alternate domains.Read more → Fractional Domain OwnershipA model where multiple investors share ownership of a single domain by holding fractional shares.Read more →

G

GDPRThe EU's General Data Protection Regulation — transformed how WHOIS data is displayed publicly.Read more → Generic DomainA domain using a common, general term as its name — among the most valuable domain types.Read more → Geo-DomainA domain containing a geographic name — cities, countries, or regions.Read more → Grace PeriodA window after a domain expires during which the original owner can still renew at standard price.Read more → gTLDGeneric Top-Level Domain — extensions like .com, .net, .org that aren't tied to a country.Read more →

H

Hand RegisteredA domain registered fresh from the available pool — not purchased from a previous owner.Read more → HijackingThe illegitimate takeover of a domain name without the owner's consent.Read more → Holding CostsThe ongoing expenses of maintaining domain ownership — primarily annual renewal fees.Read more → Holding PageA temporary placeholder webpage on a domain that isn't fully developed yet.Read more → HTTPSThe secure version of HTTP — encrypts data between browser and server. Essential for modern websites.Read more → Hyphenated DomainA domain containing hyphens between words — generally less valuable but has specific use cases.Read more →

I

ICANNThe nonprofit that coordinates the global Domain Name System — the governing body of domain names.Read more → ICANN 60-Day RuleA rule preventing domain transfers within 60 days of registration or a previous transfer.Read more → IDN (Internationalized Domain Name)A domain name that includes non-Latin characters, such as Chinese, Arabic, or Cyrillic scripts.Read more → Inbound LinkA hyperlink from another website pointing to your domain — crucial for SEO and domain value.Read more → Inbound SaleWhen a potential buyer approaches you to purchase your domain — the most profitable sale type.Read more → IP AddressThe numerical address that identifies every device on the internet — what DNS translates domain names into.Read more →

K

Keyword DomainA domain containing specific search keywords related to a business or industry.Read more →

L

Landing PageA single webpage designed for a specific purpose — capturing leads, presenting a product, or selling a domain.Read more → LandrushThe early registration period for a new TLD when domains are available before the general public — often at premium prices.Read more → Lead GenerationUsing domain names and landing pages to capture potential customer information.Read more → Legacy TLDThe original group of top-level domains — .com, .net, .org, .edu, .gov, and .mil.Read more → ListingAdding a domain to a marketplace or sales platform to make it available for purchase.Read more → LLL.comA three-letter .com domain — only 17,576 possible combinations, making them scarce and valuable.Read more → LLLL.comA four-letter .com domain — 456,976 combinations total. Valuable for their brevity.Read more → LockingA security feature that prevents unauthorized changes or transfers of your domain.Read more → LOI (Letter of Intent)A formal document expressing a buyer's serious interest in purchasing a domain with proposed terms.Read more → Long-Tail DomainA multi-word, highly specific domain targeting a narrow niche — like BestBudgetLaptopsForStudents.com.Read more →

M

Make an OfferA pricing model where buyers propose their own price for a domain rather than paying a fixed amount.Read more → MarketplaceAn online platform where domains are listed for sale — like Sedo, Afternic, or Atom.Read more → MonetizationGenerating revenue from domain names through parking, development, affiliate marketing, or sales.Read more → MX RecordA DNS record that specifies the mail server responsible for receiving email on behalf of your domain.Read more →

N

NameserverA server that handles DNS queries for your domain — translating your domain name into its IP address.Read more → NDA (Non-Disclosure Agreement)A legal contract keeping domain transaction details confidential — common in high-value sales.Read more → NegotiationThe process of discussing and agreeing on a domain's purchase price between buyer and seller.Read more → New gTLDGeneric top-level domains introduced through ICANN's expansion program starting in 2014.Read more → NNN.comA three-digit numeric .com domain — only 1,000 possible combinations, extremely scarce.Read more → NNNN.comA four-digit numeric .com domain — 10,000 combinations total, valued in Asian markets.Read more → Numeric DomainA domain consisting entirely of numbers — a specialized category with strong Asian market demand.Read more →

O

One-Word DomainA domain consisting of a single dictionary word — among the most premium and expensive domain types.Read more → Organic SearchUnpaid search engine traffic — the visitors who find your site through Google, Bing, or other search engines.Read more → Outbound SaleWhen a domain owner proactively contacts potential buyers to sell a domain.Read more →

P

ParkingPlacing a domain on a temporary ad-monetized page to earn revenue from visitor clicks.Read more → Pending DeleteThe final 5-day stage before an expired domain is released back to the public pool.Read more → Pigeon DomainA misspelling or typo variation of a popular domain designed to capture mistyped traffic.Read more → PMD (Partial Match Domain)A domain containing keywords related to a search query but not matching exactly.Read more → PortfolioThe collection of domain names owned by an individual or organization.Read more → PPC (Pay-Per-Click)An advertising model where advertisers pay each time their ad is clicked — relevant to domain parking revenue.Read more → Premium DomainA high-value domain name — short, memorable, and commanding prices significantly above standard registration.Read more → Private RegistrationA service that hides your personal information in WHOIS records behind privacy service details.Read more → PunycodeThe ASCII encoding system that makes internationalized domain names work in the DNS system.Read more →

Q

Quick FlipBuying and reselling a domain within a short timeframe — days to weeks — for a fast profit.Read more →

R

Redemption PeriodA 30-day period after the grace period when an expired domain can still be recovered at a higher fee.Read more → RedirectAutomatically sending visitors from one URL to another — critical for domain migrations and consolidation.Read more → Reg FeeThe cost to register a domain for one year — typically $10–$15 for standard names on common TLDs.Read more → RegistrantThe individual or organization that has registered and owns a specific domain name.Read more → RegistrarA company authorized to sell domain name registrations — like Dynadot, Namecheap, or GoDaddy.Read more → RegistryThe organization that operates a TLD — maintaining the master database of all domains on that extension.Read more → Renewal CostsThe annual fee to maintain ownership of your domain — varies by TLD and registrar.Read more → ResellerA company that sells domain registrations through a registrar's system, often under their own brand.Read more → Reserve PriceThe minimum price a seller will accept at auction — if bidding doesn't reach it, the domain isn't sold.Read more → Reverse HijackingWhen a trademark owner makes false claims to steal a legitimately registered domain — an abuse of the dispute process.Read more → ROI (Return on Investment)The profit or loss from a domain investment relative to its total cost — the fundamental performance metric.Read more →

S

Search VolumeThe average monthly number of searches for a specific keyword — a factor in domain valuation.Read more → SEO (Search Engine Optimization)The practice of optimizing your website to rank higher in search engine results — your domain is the foundation.Read more → SERPSearch Engine Results Page — the page of results Google shows after you search for something.Read more → Short DomainA domain with few characters (typically under 6 letters) — valued for brevity and memorability.Read more → SLD (Second Level Domain)The part of a domain name directly before the TLD — the name you choose, like 'nicename' in nicename.me.Read more → SSL (Secure Sockets Layer)The encryption technology that secures website connections — now succeeded by TLS but the term persists.Read more → Stealth AcquisitionPurchasing a domain without revealing the true buyer's identity — typically through a broker or shell company.Read more → SubdomainA prefix added to your domain creating a separate section — like blog.yourbrand.com or app.yourbrand.com.Read more → Sunrise PeriodAn early registration window for new TLDs reserved exclusively for trademark holders.Read more →

T

TLD (Top-Level Domain)The last part of a domain name — .com, .io, .ai, .org — defining the extension type.Read more → TLS (Transport Layer Security)The modern encryption protocol securing internet connections — the successor to SSL.Read more → TMCH (Trademark Clearinghouse)A global database of verified trademarks used to protect brand owners during new TLD launches.Read more → TrademarkA legally registered symbol, word, or phrase representing a brand — essential to check before buying a domain.Read more → TrafficThe visitors to a domain or website — domains with existing traffic are more valuable than those without.Read more → TransferMoving a domain between registrars or changing ownership — requires authorization and follows specific procedures.Read more → TTL (Time To Live)A DNS setting that controls how long DNS records are cached before being refreshed.Read more → Two-Word DomainA domain combining two words — the most common format for brandable startup domains.Read more → Type-In TrafficVisitors who navigate to a website by typing the domain directly into their browser — the most valuable traffic type.Read more → Typo DomainA domain that is a deliberate misspelling of a popular domain — used to capture mistyped traffic.Read more →

U

UDRPICANN's dispute resolution policy for resolving domain conflicts — the primary tool against cybersquatting.Read more → URS (Uniform Rapid Suspension)A fast-track process to suspend domains infringing clear-cut trademarks — quicker but narrower than UDRP.Read more →

V

ValuationThe process of determining a domain's market worth — combining data analysis, market knowledge, and judgment.Read more →

W

WHOISThe public database that stores domain ownership and registration information.Read more → WholesaleSelling a domain to another investor at below retail price for a quick, guaranteed sale.Read more → WIPOThe World Intellectual Property Organization — the primary body handling international domain disputes.Read more →