---
title: "Returns whether FQDN is a valid domain."
method: GET
path: "/api/tools/isvalid/{fqdn}"
tags: ["tools"]
---

# Returns whether FQDN is a valid domain.

`GET /api/tools/isvalid/{fqdn}`

Returns whether FQDN is a valid domain.

## Path parameters

- `fqdn` string, required

## Response `200`

Success

- ResultBool
  - `result` boolean

## Other responses

- `502` — Bad Gateway. Upstream failed.
- `504` — Gateway Timeout. Upstream response takes too long.

---

[API](https://skmtc.net/elmasy-com/apis/columbus-api.md) · [All operations](https://skmtc.net/elmasy-com/apis/columbus-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/elmasy-com/columbus-api/versions/afcfa121a5e2/schema)