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Bulk Domain Search

Efficiently gather email addresses from a list of companies using Bulk Domain Search.

Tomba.io Team avatar
Written by Tomba.io Team
Updated this week

Bulk Domain Search

The Bulk Domain Search tool allows you to upload a list of domain names or companies and retrieve verified email addresses associated with those domains along with rich contact and company data.

🔒 Note: Bulk Domain Search is available for premium plans only.


Getting Started

To use Bulk Domain Search:

  1. Go to the Bulks page

  2. Click on Domain Search

  3. Click + New Bulk, and give your task a unique name

  4. Upload your list of domains (or companies)

📄 Accepted file formats: .CSV or .TXT
📌 Requirements:

  • Domains should be in a single column

  • You may also copy and paste domain names directly into the provided text area

  • Maximum limit: 15,000 domains per bulk

Once uploaded, click Upload to begin processing.
When your bulk is ready, click Download to retrieve your results.


What You’ll Receive

For each domain, Tomba returns a list of professional email addresses along with enriched data when available:

Field

Description

First Name

Contact’s first name

Last Name

Contact’s last name

Department

Department of the contact

Position

Job title

Twitter URL

Public Twitter profile

LinkedIn URL

LinkedIn profile

Phone Number

Company or personal phone number

Country

Country of the domain or contact


Filtering Options

Tomba gives you full control over your results:

  • Filter by email type: Role-based vs. Personal

  • Filter by department (e.g., marketing, HR, IT)

  • Choose to include or exclude sources

  • Apply filter strength (strict or loose match)

  • Download:

    • Only valid emails

    • All emails

    • Domains with no results

You can download results in full or apply these filters before exporting.


Managing Your Uploaded Tasks

Each bulk task can be managed easily:

  • Sort: By task name, status, or creation date

  • Search: Locate specific tasks

  • Rename: Change bulk task name

  • Delete: Remove tasks from the list via dropdown actions


Use in Microsoft Excel

With Tomba’s Excel Add-in, you can run domain searches directly from your spreadsheet:

  1. Open your Excel file

  2. Select the Domain Search tab

  3. Match the column containing your domain names

  4. Click "Find email addresses"


You can do the same in Google Sheets:

  1. Open your Google Sheet

  2. Go to the Domain Search tab

  3. Match the domain column

  4. Click "Find email addresses"

Tomba will enrich your data with emails, confidence scores, and status flags.


You can also automate domain searches using Tomba’s API:

from tomba.client import Client
from tomba.services.domain import Domain

# Initialize the Tomba client
client = Client().set_key('ta_xxxx').set_secret('ts_xxxx')

# Initialize the Domain service
domain = Domain(client)

# Perform a domain search
result = domain.domain_search('stripe.com')

Available SDKs

Tomba offers official SDKs for many popular programming languages, including:
PHP, Python, C#, Go, Rust, Ruby, Dart, JavaScript, R, Lua, Elixir, and more.


Need Help?

Got questions? Contact our support team we’re here to help!

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