---
title: "DomainCheckProblem"
description: "The last failed DNS check of the authorization."
---

> Documentation Index
> Fetch the complete documentation index at: https://docs.ezghcloud.com/llms.txt
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Path: Web Certificates API

The last failed DNS check of the authorization.

## Fields

- `DomainCheckProblem.checkedAt` (any of, required) — When the check ran
  - any of: `string`, `null`
- `DomainCheckProblem.code` (string, required) — A check code: binding_missing, binding_conflict, binding_indirect, delegation_mismatch, challenge_not_visible, authority_changed, resolver_disagreement, dns_authority_unavailable, dns_lookup_failed, dns_query_budget_exhausted, caa_denied, caa_critical, domain_owned_elsewhere, dependency_unavailable, …; new codes may be added
- `DomainCheckProblem.message` (string, required) — A fixed, safe sentence for the code


Source: https://docs.ezghcloud.com/certificates-api/schemas/DomainCheckProblem/index.md