> For the complete documentation index, see [llms.txt](https://docs.emaillabs.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emaillabs.io/en/email/email-api/blacklist-report/domains-blacklist/tool-search.md).

# Tool Search

In the Search section for the domain blacklist, the following options are available:

* **Select SMTP:** Allows filtering the list of blocked domains by SMTP account.
* **Domain:** Enables searching for specific domains on the blacklist.

<figure><img src="/files/rkz2Qwq5akRs2nGcQCC8" alt=""><figcaption></figcaption></figure>
