> For the complete documentation index, see [llms.txt](https://docs.dnscontrol.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dnscontrol.org/language-reference/domain-modifiers/ds.md).

# DS

`DS` adds a [Delegation signer record](https://www.rfc-editor.org/rfc/rfc4034) to the domain.

Key Tag should be a number.

Algorithm should be a number.

Digest Type must be a number.

Digest must be a string.

{% code title="dnsconfig.js" %}

```javascript
D("example.com", REG_MY_PROVIDER, DnsProvider(DSP_MY_PROVIDER),
  DS("example.com", 2371, 13, 2, "ABCDEF"),
);
```

{% endcode %}