Email Enumeration by Domain

Testing Methodology

check the same domain (i.e. microsoft.com) using each tool
- count the number of results
rate difficulty of deployment
rate quality of output
rate development health
rate automation potential

Phonebook.cz

requires IntelX account to use (free signup)
39,601 results for microsoft.com

Hunter

Example Results

35,830 results
also shows email format (i.e. {f}.{last}@domain.com

Deployment Difficulty

web hosted (easy difficulty)
has API

Output

can export subset of records from web interface
can export full records using API (if credits available in account)

Pricing

$50-400/month depending on plan
free plan available, limited quota per month

Infoga

Infoga repository

"Infoga is a tool gathering email accounts informations (ip,hostname,country,...) from different public source (search engines, pgp key servers and shodan) and check if emails was leaked using haveibeenpwned.com API"
Language: python

skymem.info

Warning: I have not confirmed this is a legitimate site.

Example Results

36631 results

Deployment Difficulty

web hosted (easy difficulty)
No API

Pricing

varies by results size, not transparent
large lists get into $2000-3000 range!!!