---
title: "Validate reverse DNS"
method: POST
path: "/ip/request/rdns/validate"
tags: ["IP Management API"]
---

# Validate reverse DNS

`POST /ip/request/rdns/validate`

This allows a parent account to verify whether the reverse DNS configuration for a dedicated IP address is correctly set up.

## Request body

- object
  - `ip_address` string, ipv4, required — The dedicated IP address for RDNS configuration. Must be a valid IPv4 or IPv6 address. The IP must belong to the authenticated parent account.
  - `sending_domain` string, hostname, required — The sending domain associated with theIP. Must be in valid domain name format. Must also be owned and active account.

## Response `200`

RDNS validation completed

- object
  - `request_id` string
  - `ip` string
  - `rdns` string
  - `sending_domain` string
  - `message` string

## Other responses

- `400` — Validation error
- `401` — Authentication required
- `403` — IP not owned or domain not owned

---

[API](https://skmtc.dev/netcorecloud/apis/email-api-v6.md) · [All operations](https://skmtc.dev/netcorecloud/apis/email-api-v6/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/netcorecloud/email-api-v6/revisions/73f83bc2eff8/schema)