Free Tool

Free Email & Domain Enrichment

Get Company Data, Tech Stack & Domain Intelligence Instantly

Enter any email address or domain to enrich it with company information, technology detection, DNS records, WHOIS data, and website metadata. Perfect for lead qualification, sales intelligence, and contact data enrichment.

50 free enrichments/day
No signup needed
Company & tech data
Real-time results

Enter an email address or domain to enrich

Enriching domain data...

This may take a few seconds while we fetch website data.

What Data You Get

Our free email enrichment tool returns comprehensive data about any email address or domain.

Company Information

Get company name, industry, size, type, founding year, and location from an email domain.

Technology Stack

Detect CMS, e-commerce platforms, analytics tools, marketing pixels, chat widgets, and more.

Website Metadata

Check website reachability, page title, redirects, and crawl status for the domain.

DNS Records

SPF, DMARC, A records, hosting provider, and nameserver information for email security insights.

WHOIS Data

Domain registrar, registration date, expiry date, domain age, and registrant organization.

Email Security

Detect email security providers, SPF/DMARC configuration, and mail server protection status.

Who Uses Email Enrichment?

Data enrichment helps sales, marketing, and security teams make better decisions with richer contact data.

Sales & Lead Qualification

Qualify inbound leads by enriching email addresses with company data. Instantly know the company size, industry, and tech stack to prioritize high-value prospects.

Marketing & Segmentation

Segment your email lists by company attributes. Target campaigns based on industry, company size, or technology stack for higher conversion rates.

Fraud Prevention & Security

Detect suspicious domains, verify domain age, check DNS configuration, and identify disposable email providers to prevent fraud at signup.

CRM Data Enrichment

Automatically fill in missing company data in your CRM. Enrich contacts with firmographic data to keep your database clean and complete.

How Email Enrichment Works

Our enrichment engine extracts the domain from any email address and gathers intelligence from multiple data sources in real time.

1

Enter an email or domain

Type any email address like [email protected] or just the domain acme.co into the tool above.

2

We fetch data from multiple sources

MailRook queries DNS, WHOIS, website metadata, and technology detection engines to build a comprehensive profile.

3

Get structured enrichment data

View company information, tech stack, DNS records, WHOIS details, and website metadata — all in one place.

Frequently Asked Questions

Email enrichment (also called contact enrichment or data enrichment) is the process of taking an email address and appending additional data points to it — such as the company name, industry, company size, tech stack, and domain intelligence. This helps sales and marketing teams qualify leads faster and personalize outreach.
From a single email address, MailRook can return: company name, industry, size, and type; technology stack (CMS, analytics, marketing tools); DNS records (SPF, DMARC, nameservers, hosting); WHOIS information (registrar, domain age, expiry); and website metadata (title, reachability, redirects).
Yes! You can use our free email enrichment tool above without creating an account. Free users get 50 enrichments per day. For higher volumes, create a free MailRook account to access the enrichment API and batch enrichment features.
Email validation checks whether an email address is real and deliverable. Email enrichment goes further — it takes the email domain and returns company intelligence, tech stack, and domain data. MailRook offers both: validate emails and enrich them with company data in one platform.
Yes. MailRook offers enrichment via REST API and through our MCP server. Connect your AI assistant (Claude, Cursor, ChatGPT) to enrich contacts with natural language prompts, or integrate directly into your application with our API.

Need bulk contact enrichment?

Create a free account to access the enrichment API, batch processing, and AI-powered enrichment via MCP.