> For the complete documentation index, see [llms.txt](https://docs.insert.link/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.insert.link/bulk-donor-check.md).

# Bulk Donor Check

Bulk Donor Check is a tool that allows you to check a large list of domains (up to 10,000) against the service database to see whether they are listed as donors that accept Guest Post placements.

### 1. How to check a list of domains

1. Click the search field to open the domain input pop-up.
2. In the pop-up, enter domains/URLs one per line (each new line represents a separate domain), or upload a .txt file.
3. Click Check # domains – the pop-up will close, and the search field will display the number of selected domains.
4. Click Submit next to the search field to send the request for verification.

### 2. Input limitations

* Maximum number of domains/URLs per request – 10,000.
* Maximum uploaded file size – 1 MB.
* If you enter more than 10,000 domains or upload a file larger than 1 MB, the Check # domains button will be disabled, and a corresponding notification will appear below the input field.
* Duplicate domains are counted only once.

### 3. Check results

After clicking Submit, a table will display all matching domains where Guest Post placements are available.

### 4. How to order a placement

Click the Buy button next to the desired domain. The Guest Post placement for that domain will be added to your cart.

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