When using Icypeas to find emails, you must provide a full name (first name + last name) and a company name OR a domain name.
If you provide Icypeas with domain names, you will see an increase in the number of found emails by 10-20%.
Therefore, you might wonder: how to scrape domain names?
Here, we will assume that your data source is Linkedin.
To scrape Linkedin, there are several excellent tools: