Domain & Network Intelligence
MX Record (Mail Exchange)
An MX (Mail Exchange) record is a DNS record type that specifies the mail servers responsible for receiving email for a domain. MX records reveal which email service a domain uses (e.g., Google Workspace, Microsoft 365, or self-hosted mail servers) and can indicate organizational relationships and infrastructure dependencies.
Related OSINT terms
- DNS (Domain Name System)The Domain Name System (DNS) is the hierarchical naming system that translates human-readable domain names into IP addresses that computers…
- WHOISWHOIS is a query and response protocol used to retrieve registration information about domain names, IP addresses, and autonomous systems.…
Related Skills
Investigative Skills in Nexus that apply MX Record to a live case.