Email provider switched
dns_mx_change
What this signal observes
The company's DNS MX records have changed, indicating a new email or security provider.
Why it matters
An MX change marks a migration of email infrastructure, for example a move to Microsoft 365 or Google Workspace or a new security gateway. It is timely for IT, email-security, and deliverability vendors, and confirms an active, reachable domain.
Source: DNS MX record snapshots
Refresh: Weekly
What the evidence payload contains
domain, old_mx, new_mx, provider
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