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Domain Registrar

A domain registrar is a provider through which domain registrations are purchased, renewed, transferred, and administratively managed.

A domain registrar is a company authorized to provide domain-name registration and management services.

It is the provider through which a registrant commonly purchases, renews, and administers a domain.

ICANN maintains and accredits registrars for generic top-level domains under its registrar system. ICANN's registrar information

What a Registrar Can Manage

A registrar account may provide controls for:

Many registrars also sell unrelated services such as:

Those additional services are not inherently part of domain registration.

Registrar vs. DNS Provider

The registrar controls the domain registration.

The DNS provider manages the **DNS Zone**.

These may be the same company, but they do not have to be.

Cloudflare explicitly notes that a business can use Cloudflare for authoritative DNS without moving either its hosting provider or its registrar. Cloudflare's DNS documentation

Registrar vs. Hosting Provider

The registrar manages the domain.

The hosting provider serves the website.

A business can therefore:

Register at Provider A Use DNS at Provider B Host at Provider C.

This separation is normal.

Why It Matters

The registrar has control over important domain-level actions.

Someone with registrar access may be able to:

  • Change nameservers
  • Transfer the domain
  • Modify registration information
  • Disable or change DNSSEC
  • Allow the registration to expire

Registrar access should therefore be treated as important administrative access.

Common Problems

Common problems include:

  • Registrar mistaken for the host
  • Credentials belonging to a former contractor
  • Shared registrar logins
  • Auto-renew disabled accidentally
  • Domain-lock settings misunderstood
  • Nameservers changed while DNSSEC remains incorrectly configured

How to Improve

Use an organization-controlled registrar account.

Enable strong authentication, document ownership, maintain valid billing information, and restrict access to people who actually need domain-level control.