Records
144,483,852
File size
1.98 GB
Coverage
Full Database
About this dataset
Worldwide database of domains with mail exchange records. Includes MX server information for email routing.
This file is packaged by WebTrackly as a downloadable archive containing JSONL data. All Domains with MX Servers can be downloaded after checkout without a separate registry application through WebTrackly.
Schema
domainFully qualified domain name.
Sample data
Preview — first rows of the file
JSONL
Source rows
{ "125YEARS.ABB": [ "custmx.cscdns.net" ] }
{ "ABILITY.ABB": [ "custmx.cscdns.net" ] }
{ "CAMPAIGNS.ABB": [ "custmx.cscdns.net" ] }
{ "COBOTS.ABB": [ "custmx.cscdns.net" ] }
{ "CYBERDEFENSELABS.ABB": [ "custmx.cscdns.net" ] }
{ "DOCS.ABB": [ "custmx.cscdns.net" ] }
{ "EVENTS.ABB": [ "custmx.cscdns.net" ] }
{ "GLF-APP.ABB": [ "custmx.cscdns.net" ] }
{ "GLF.ABB": [ "glf-abb.mail.protection.outlook.com" ] }
{ "GO.ABB": [ "custmx.cscdns.net" ] }
Use cases
Marketing & Lead Generation
Reach domain owners with tailored campaigns and build targeted prospect lists at scale.
Market Research
Analyze trends, technology adoption, and industry patterns across a broad cross-section of the web.
Security & Compliance
Monitor registrations for brand protection and threat intelligence — detect phishing and suspicious patterns.
Brand Monitoring
Scan for variations of brand terms to identify cybersquatting and typosquatting before they cause harm.
Frequently asked questions
What exactly is included?
144,483,852 records for All Domains with MX Servers, in JSONL format. The exact fields are listed in the schema on this page.
Is this a live feed?
No. This purchase provides the file version shown on the page. Catalog updated: November 23, 2025.
Are WHOIS contacts included?
No WHOIS contact data is included unless it is explicitly named in the schema on this page.
How long is download access available?
Checkout grants 30 days of access to the purchased file version.