# DNSSEC validation back to the IANA DNSSEC root trust anchor MUST be performed on all DNS queries associated with the validation of domain authorization or control by the Primary Network Perspective. — TLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)

For DNSSEC validation back to the IANA DNSSEC root trust anchor MUST be performed on all DNS queries associated with the validation of domain authorization or control by the Primary Network Perspective., requirement is DNSSEC validation back to the IANA DNSSEC root trust anchor MUST be performed on all DNS queries associated with the validation of domain authorization or control by the Primary Network Perspective; effective date is 2026-03-15; baseline requirements section is 3.2.2.4; authority is CA/Browser Forum TLS Baseline Requirements; scope is all publicly-trusted CAs issuing TLS server certificates, recorded from its source on 2026-08-05.

- **Requirement:** DNSSEC validation back to the IANA DNSSEC root trust anchor MUST be performed on all DNS queries associated with the validation of domain authorization or control by the Primary Network Perspective. _(verified: appears in the quote below)_
- **Effective date:** 2026-03-15 _(verified: appears in the quote below)_
- **Baseline Requirements section:** 3.2.2.4 _(verified: appears in the quote below)_
- **Authority:** CA/Browser Forum TLS Baseline Requirements _(our reading, not quoted from the source)_
- **Scope:** all publicly-trusted CAs issuing TLS server certificates _(our reading, not quoted from the source)_

## What the source says

> 2026-03-15 | 3.2.2.4 | DNSSEC validation back to the IANA DNSSEC root trust anchor MUST be performed on all DNS queries associated with the validation of domain authorization or control by the Primary Network Perspective.

## Source

- https://cabforum.org/working-groups/server/baseline-requirements/requirements/

Last verified: 2026-08-05. Review by: 2026-11-03.
Part of [TLS certificate and CA requirement effective dates (CA/Browser Forum, Chrome, Mozilla)](https://referencesource.org/tls-certificate-requirement-effective-dates/).