# Asset IP DNS PTR History List

GET /easm/assets/{asset_id}/ipdns-history: Lists the IP DNS (PTR) snapshots recorded for an asset (newest first): id and check_date of each.

Source: https://docs.deepinfo.com/reference/easm/asset-ip-dns-ptr-history-list/

Last updated: 2026-09-27

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`GET https://api.deepinfo.com/v1/easm/assets/{asset_id}/ipdns-history`

Lists the IP DNS (PTR) snapshots recorded for an asset (newest first): `id` and `check_date` of each.

## Authentication

Send your API key in the `apikey` request header.

## Path Parameters

| Parameter | Required | Description | Example |
|---|---|---|---|
| `asset_id` | Required |  | `<asset_id>` |

## Response Fields

An array of objects:

| Field | Type | Description |
|---|---|---|
| `id` | string |  |
| `check_date` | string | date-time |

> No live example: the DEMO account has no data for this endpoint yet, or it returned an error during testing. The response shape is described above.

## Examples

### 404 · Not Found (nonexistent asset_id)

```bash
curl 'https://api.deepinfo.com/v1/easm/assets/ffffffffffffffffffffffff/ipdns-history' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json'
```

`Content-Type: application/json` · `deepinfo-request-id: 00000000-0000-4000-8000-0000356d0001`

```json
{
  "code": 30003,
  "details": [
    "Asset not exists."
  ],
  "solution": "https://docs.deepinfo.com/reference/"
}
```