🪄 Enhance your domain security and email system efficiency with null MX records for your DNSimple domains 👉 Read more

Domain and DNS security

Safeguard your domains every step of the way.

Keep your domains as secure as possible with DNSimple’s robust domain security tools.

A vintage image of a man in front of a large computer reading a book

Domain security

DNSimple’s services create the DNS configuration needed to secure your domains — without the extra work and complications.

An icon image of a pad lock

SSL certificates

Secure your sensitive information with Let’s Encrypt SSL certificates. Our API fully automates their request and renewal.

An icon image of a globe with an arrow around it

Domain auto-renewal

Ensure your domain renews before it expires.

An icon image of a lock with CAA inside

CAA record

Protect your domain from mis-issued SSL certificates. Permit only the Certificate Authorities you use to issue SSL certificates for your domains.

An icon image of a bracket with an arrow to the right

HTTPS redirector

Secure your site and ensure no one can access communication to/from your website. Available on the Teams plan and higher.

An icon image of a lock with an arrow inside

Automated transfer locks

Prevent your domain from being unintentionally or unexpectedly transferred.

An icon image of a flag

Free WHOIS privacy

Keep your contact information private for your domains.

DNS security

Easily secure your DNS with Domain Name Security Extensions (DNSSEC) and automatic key rotation.

An icon of two squares with a line connecting them


Prevent attackers from spoofing your IP address and redirecting your users to malicious sites. Use the same technology for your domains that financial institutions use to protect your data.

Automatic key rotation

Further secure your domains with DNSSEC rotation. We automatically rotate DS records for domains registered through DNSimple.

An icon of an angry robot head

DDoS Defense

Automatically shields your domains from DDoS Attacks. Available free on all plans.

Account security

Protect your domains and information with DNSimple’s account security features.

icon of a password field

Multi-factor authentication

Enable multi-factor authentication (MFA) to add an extra layer of security at login. We support one-time password authentication apps, external hardware keys, and platform authenticators.

Multi-Factor authentication for teams

Enforce MFA for your team. Available on the Teams plan and higher.

Icon of an arrow and half circle

Single sign-on

Provision account access for every team member using Okta or Google as your identity provider.

Domain Access Control

Specify different roles for your team members on a per-domain basis. Available on the Teams plan and higher.