Domain Basics
Start here: what a domain is, how TLDs work, key terminology, naming, and disputes.
- 1Root .→
- 2TLD (.com)→
- 3Domain (example)→
- 4Subdomain (www)

Qu'est-ce qu'un nom de domaine?
Un nom de domaine est la base de votre présence en ligne.

What Happened to SaveDisney.com: A Settlement Closed the Site, Then the Name Expired
SaveDisney.com carried the 2004 revolt against Michael Eisner. A 2005 settlement closed the site, and the filed deal left the registration unaddressed.

Best Ad-Blocking DNS: What to Use and Why Some Ads Still Get Through
Choose AdGuard DNS, NextDNS, or a local DNS filter by your needs, verify the active resolver, and understand domain-level limits.

AdGuard DNS Setup: Block Ads Across Your Devices With DNS
Set up AdGuard public DNS on a device or router, choose the right filtering mode, and test filtering without assuming every ad will vanish.

How to Buy a Domain and Launch a Website Without Buying the Wrong Bundle
Choose a domain, hosting, and email without duplicate purchases. Connect DNS, enable HTTPS, and test the exact website before launch.

Domains for Sale: Where to Look and How to Buy Safely
Find registered domains for sale, compare purchase formats, verify the transfer process, and protect payment and account control.

Best Cheap Web Hosting: What Will You Pay After the First Term?
Compare low-cost hosting by renewal totals, software needs, backups, email, and exit costs. Check official plans before choosing a long term.

Best Web Hosting: Which Provider Fits Your Website and Budget?
Choose web hosting by website type, operating responsibilities, recovery needs, and the full recurring cost.

Cloud Hosting vs. Shared Hosting: Which One Does Your Website Need?
Compare shared and cloud hosting by workload, management, recovery, and total cost before choosing a plan.

Cloudflare DNS Settings: Set Up 1.1.1.1 on Your Device
Configure Cloudflare 1.1.1.1 on Windows, macOS, or Android, choose the intended filtering policy, and verify the resolver connection.

Should You Buy Your Domain Through Cloudflare? The Trade-Offs to Check
Check Cloudflare’s nameserver requirement, domain support, renewal terms, and migration steps before registering or transferring a domain.

How to Register a Domain With Cloudflare: What to Check Before You Pay
Register a domain with Cloudflare after checking nameserver requirements, availability, renewal settings, and contact information.

How to Get an SSL Certificate With Cloudflare and Turn On HTTPS
Set up Cloudflare Universal SSL, protect the origin with Full strict, verify hostname coverage, and test HTTPS redirects.

How to Connect Your Domain to Vercel Without Getting Stuck on DNS
Add a custom domain to the correct Vercel project, publish the project’s DNS values, preserve email records, and verify the final website.

DNS A Records Explained: Point Your Domain to the Right IPv4 Address
Create and verify an A record with the correct name, IPv4 address, and TTL. Separate DNS changes from hosting, HTTPS, and redirects.

DNS Lookup: Check Which Records Your Domain Is Really Serving
Check live DNS answers with an exact name, record type, and server, then interpret caching, authoritative data, and empty replies.

DNS Propagation Checker: Is Your New Record Showing Up Yet?
Compare authoritative DNS with recursive answers, record types, and cache lifetimes to diagnose a DNS change without guessing.

Domain Name Generator: Find a Name You Can Actually Register
Generate domain ideas with official tools, refine the naming brief, and verify registration terms and name conflicts before buying.

Domain Name Search: Is the Name You Want Still Available?
Check domain availability through an official registrar search, distinguish registered names from new registrations, and review the exact offer.

Who Owns This Domain? How to Check Public Registration Records
Use ICANN RDAP to inspect public registration records, understand redacted fields, and choose the right contact route.

DV SSL Certificates: Do You Need Anything More for Your Website?
Learn what domain validation checks, how DV certificate challenges work, and which coverage and renewal questions to resolve before launch.

Domain Names With Free Email: Which Offers Include a Real Mailbox?
Compare domain email offers by mailbox, forwarding, trial terms, and renewal conditions before buying a domain.

What Is an Email Domain? What Your Business Address Really Needs
Choose a domain email address, separate mailbox hosting from forwarding, and plan the DNS and account access your business needs.

Who Controls Your Domain? How to Find Its Registrar and DNS Host
Find the registrar with ICANN Lookup, identify authoritative nameservers, and locate the account that can change the right DNS records.

Who Hosts This Website? How to Find the Provider Behind a Domain
Identify a website’s registrar, DNS provider, public network, and likely web host. Learn when a proxy prevents a conclusive public lookup.

Flush DNS on a Mac: The Right Command for Your macOS Version
Find your macOS version, choose a documented DNS cache command, and check whether the remaining problem sits on your Mac or upstream.

Best Free Web Hosting: Which Options Are Usable for a Real Website?
Compare WordPress.com, GitHub Pages, and Cloudflare Pages by site type, custom-domain needs, limits, and migration requirements.

Free Website and Domain: Which Offers Are Actually Free?
Choose a free hosted address or a paid website plan with a domain offer. Check publishing limits, renewals, and account access.

FreeDNS: How to Get a Free Subdomain and Point It to Your Server
Use FreeDNS at afraid.org for a hosted subdomain, understand shared-domain control, and verify DNS separately from server access.

How to Set Up Gmail With Your Own Business Domain
Set up Google Workspace Gmail with your domain, verify ownership, switch MX records, and test receiving, sending, and authentication.

How to Transfer a GoDaddy Domain to Another GoDaddy Account
Move a domain to another GoDaddy account, verify the recipient, complete acceptance, and preserve separate website and email services.

Google Public DNS: Set Up 8.8.8.8 and Know What Changes
Set up Google Public DNS, test the resolver, compare encrypted DNS options, and restore your previous settings if local services stop working.

IP WHOIS Lookup: Find the Network Behind an IP Address
Find the network registration and abuse contact for an IP address. Separate address allocation from website ownership and geolocation.

MX Lookup: Find Where Your Domain’s Email Is Supposed to Go
Check MX records with an official lookup tool, interpret priority, distinguish absent MX from null MX, and test actual email delivery.

What Is an MX Record? How Your Domain Tells Email Where to Go
Understand MX record priority, mail server targets, absent MX and null MX, and the checks that distinguish DNS routing from mailbox problems.

How to Check Your Domain’s DNS Records With MXToolbox
Use MXToolbox to inspect DNS records, separate mail routing from authentication, and compare an individual lookup with a DNS health report.

Quad9 DNS: Which Addresses to Use and How to Set Them Up
Use the correct Quad9 DNS addresses, configure encrypted DNS on Windows or Android, and verify the service before expanding the change.

How to Buy a Domain on Squarespace: The Steps and Costs to Check
Register a Squarespace domain with or without a website. Review renewal costs, optional plans, contact verification, and final registration status.

Reverse DNS Lookup: Find the Hostname Behind an IP Address
Run a reverse DNS lookup, interpret PTR and empty results, check forward confirmation, and find the provider that can fix the record.

Shared Hosting Explained: Is a Budget Plan Enough for Your Website?
Decide whether shared hosting meets your website needs by checking workload, limits, maintenance, backups, and a realistic upgrade path.

Should You Buy Your Domain on Shopify or Somewhere Else?
Choose between a Shopify-managed domain and an outside registrar. Compare administration, renewal, email, and future moves before buying.

How to Transfer a Domain to GoDaddy Without Breaking Your Website
Transfer a domain into GoDaddy, check eligibility and authorization, preserve DNS and email, and verify the completed registrar change.

Best VPS Hosting: What to Compare Before You Rent a Server
Decide whether VPS hosting fits your website. Compare server control, administration, backups, and migration needs before choosing a plan.

Website Hosting: How to Pick a Plan That Fits Your Site and Budget
Choose website hosting by workload, maintenance responsibility, renewal costs, backups, and exit options instead of an introductory price alone.

What Is a DNS Server? The Setting That Can Break Your Browsing
Understand recursive and authoritative DNS servers, inspect your device settings, and diagnose resolver failures before changing network configuration.

What Is DNS? How Your Browser Finds a Website From Its Name
Follow a DNS lookup from a hostname to authoritative records, then learn how resolvers, record types, and cache lifetimes affect a website.

Best WordPress Hosting: Which Features Are Worth Paying For?
Compare WordPress hosting through backups, updates, support, capacity, and renewal terms. Use a practical checklist before purchasing.

Google Domains Has Closed, but Cloud Domains Still Registers Domains
Separate Google Domains, Cloud Domains, and Google Workspace before buying a domain. Find the current registrar, checkout, DNS, and support route.

DNS Server Not Responding? Find the Cause Before Resetting Everything
Diagnose Windows DNS failures, compare configured resolvers, and verify a focused fix without blind resets or broad firewall changes.

What Is DDNS? Keep a Domain Working When Your IP Address Changes
Understand dynamic DNS, select an updater, protect update credentials, and verify DNS separately from secure remote access.

DNS_PROBE_FINISHED_NXDOMAIN Requires a Name and Resolver Check
Diagnose DNS_PROBE_FINISHED_NXDOMAIN by checking the exact name, browser lookup path, resolver responses, authoritative records, and negative caches.

How to Flush DNS on Windows: The ipconfig Command to Run First
Run the Windows DNS flush command, check the result, and separate stale local answers from resolver, Hosts file, browser, and website problems.

AAAA Records Connect Domain Names to IPv6 Addresses
Learn what AAAA records do, when to publish IPv6 addresses, and how to diagnose a site that works over IPv4 but fails over IPv6.

DNS Speed Test: Find the Fastest Resolver for Your Connection
Compare DNS query time and reliability on your own connection. Control cache and transport differences before changing the resolver.

Bulk Domain Availability Checks Need Clean Inputs and Final Rechecks
Clean a bulk domain list, respect API limits, recover from rate limits, preserve unknown results, and recheck prices before buying.

How to Find Your Cloudflare Nameservers and Update Your Registrar
Find the nameservers assigned to your Cloudflare zone, preserve website and email records, update the registrar, and verify activation.

Domain Age Requires Separate Registration and Website Checks
Check domain age with registration data, then separate website history, ownership changes, and evidence gaps before trusting an age claim.

Best Domain Registrars: Who Stays Cheap After Renewal?
Compare Cloudflare, Porkbun, and Namecheap by renewal pricing, DNS control, support needs, and transfer requirements before choosing a registrar.

What Is a CNAME Record? How to Point One DNS Name to Another
Understand CNAME records, compare CNAME with A, choose the right website record, and diagnose apex, target, and HTTPS problems.

A custom domain connects GitHub Pages through DNS and HTTPS
Connect an apex domain or subdomain to GitHub Pages, verify domain control, check DNS records, and resolve HTTPS failures.

DHCP configures network clients while DNS resolves names
Separate DHCP leases, DNS resolver settings, authoritative records, and dynamic updates before troubleshooting a network connection.

DNS Record Types Connect Websites, Email, and Zone Authority
Choose DNS records by their job, trace website and email dependencies, and verify changes without breaking unrelated services.

What Is DNSSEC? How to Protect DNS Answers Without Breaking Your Domain
Learn how DNSSEC authenticates DNS answers, connect signing to parent DS records, and plan validation and provider migrations.

Domain Forwarding Uses HTTP Redirects After DNS Resolution
Choose 301, 302, 307, or 308 redirects, preserve the right URLs, and check HTTPS before forwarding a domain.

Les offres de messagerie professionnelle gratuite distinguent boîtes et redirections
Comparez les adresses gratuites avec ou sans domaine. Vérifiez les limites de Zoho, les redirections, le renouvellement et l’envoi.

Can You Really Get a Free Domain Name? What the Offer Leaves Out
Compare free subdomains and first-year domain offers. Check required plans, renewal charges, account control, and exit options.

What Is an FQDN? The Tiny Naming Detail That Can Break DNS
Understand fully qualified domain names, trailing dots, search suffixes, and zone-file origins with practical DNS examples.

ICANN Lookup: Find a Domain’s Registrar and Registration Details
Read ICANN Lookup results, interpret dates and status codes, and understand what public registration data can establish.

IPv6 DNS Uses a Separate Transport from the Address in the Answer
Find IPv6 DNS server addresses and test IPv4 and IPv6 resolver paths without confusing query transport, AAAA records, and website connections.

ISP DNS and Public Resolvers Need a Local Comparison
Compare ISP DNS with a public resolver through local tests, privacy policies, filtering requirements, and a reversible change on one device.

How to Use nslookup: DNS Commands That Help You Find the Problem
Learn nslookup syntax, select a DNS server and record type, and distinguish useful answers from missing records and timeouts.

Primary and Secondary DNS Servers Share Authoritative Zone Data
Learn how primary and secondary DNS servers replicate zones, handle failures, and differ from preferred and alternate resolvers.

How to Register a Domain Name Without Losing Control of It
Register the exact domain, confirm the intended registrant, complete verification, connect services, and preserve account and renewal control.

How to Renew Your Domain Before It Expires and What to Do If It Already Has
Renew a domain through the registrar, confirm the extended registration, check auto renew, and act quickly after expiration.

What Is Reverse DNS? Why Your IP Address Can Have a Hostname
Learn how PTR records map IP addresses to hostnames, who controls reverse DNS, and how to check forward consistency for email.

Root DNS servers direct resolvers toward top-level domains
Learn how root DNS servers provide referrals, why 13 names represent many instances, and how caching and DNSSEC change the lookup path.

Running Your Own DNS Resolver Requires a Clear Operating Plan
Plan a private DNS resolver with Unbound, distinguish recursion from forwarding and dynamic DNS, and test access controls before a network rollout.

How to Create a Custom Email Address With Your Own Domain
Create a custom-domain mailbox, verify domain control, set mail routing, configure authentication, and test both directions.

What Is a Subdomain? Examples You Can Use for Your Own Site
Understand www, shop, app, and support subdomains. Use concrete examples to plan DNS, hosting, HTTPS, access, and service retirement.

What Is SPF? How Email Servers Check Who Can Send for Your Domain
Learn how Sender Policy Framework checks sending hosts, reads a TXT policy, and works with DKIM and DMARC to authenticate email.

WHOIS Lookup: Find a Domain’s Registrar, Dates, and Public Details
Use official registration lookup tools, read registrar and date fields correctly, and understand why public WHOIS or RDAP data may hide personal details.

Wildcard DNS records answer missing names within a DNS tree
Learn what wildcard DNS matches, how existing names stop matches, and why DNS, TLS certificates, and website routing need separate checks.

Domain and Hosting: What You Need to Buy and What You Can Skip
Choose the domain, website hosting, DNS, and email services your project needs, avoid duplicate purchases, and connect separate providers safely.

Subdomain vs Subdirectory: Differences, SEO, and When to Use Each
Compare subdomains and subdirectories for content, apps, and international sites, with practical management tradeoffs and Google's stated SEO guidance.

How to Transfer a Domain to Another Registrar
Plan a registrar transfer, check eligibility and locks, obtain the required authorization, and verify website and email continuity after the move.

Brandable Domain Names: Examples and What Makes Them Work
Explore brandable domain name examples and the naming qualities behind them, from pronunciation and memorability to flexibility and fit.

Comment nommer votre projet : le guide terrain du fondateur
Un guide pratique et fondé sur la recherche pour les fondateurs qui nomment un projet, un produit ou une entreprise : vérification légale, prononciation facile, génération de candidats solides, contrôle interculturel et les recherches essentielles à effectuer avant de s'engager.
Le séquestre de domaine expliqué : comment fonctionnent les transactions de domaines sécurisées
Un guide en langage clair sur le séquestre et le séquestre de domaine — ce qu'est un compte séquestre, comment fonctionne le séquestre étape par étape dans une vente de domaine, pourquoi c'est important pour éviter la fraude, les services de séquestre traditionnels par rapport à l'approche tokenisée moderne, et comment les contrats intelligents peuvent remplacer le séquestre par un règlement atomique en chaîne.
Qu'est-ce que l'UDRP ? La résolution des litiges de noms de domaine expliquée
L'UDRP expliquée pour les propriétaires et investisseurs de noms de domaine : les trois éléments qu'un plaignant doit prouver, le processus et les délais, les résultats possibles, UDRP vs URS vs tribunal, et comment répondre à une plainte.

Guide Complet de la Terminologie des Noms de Domaine - Termes Essentiels pour les Investisseurs de Domaine
Maîtrisez l'investissement de domaine avec notre guide complet de la terminologie essentielle des domaines. Des concepts de base aux stratégies de trading avancées, apprenez le langage des professionnels du domaine.