Tool profile
MXToolbox
DNS, email, and blacklist diagnostics
Claims and corrections are reviewed before public profile changes.
Signal summary
Trust / disclosure
How to read this profile
Editorial line
Editorial judgment and commercial context are kept separate on OSINT4ALL.
Review status
This profile has an editorial review date. Source checking does not mean the tool was hands-on tested.
Claims / submissions
Corrections and claim requests are reviewed before any public change is made.
Commercial context
No commercial relationship is disclosed on this profile.
Editorial verdict
Use case and fit
This is editorial guidance, not vendor copy.
Use it when a domain or mail server needs quick deliverability, DNS, or blacklist context before deeper infrastructure review.
Useful support tool when a case touches domain mail infrastructure or suspicious sender setup.
Best for cases where a domain or mail server needs quick deliverability, DNS, or blacklist context before deeper infrastructure review.
Operational snapshot
Workflow, access, and coverage
Mail-routing DNS lookup and email-delivery diagnostics
Domain, Mail Server
Mx Record, DNS Diagnostic, Mail Delivery Check
Verification, Diagnostics
MX records describe mail routing, not whether a person owns a mailbox. Optional server diagnostics make connections and need appropriate authorization. Blocklist results concern the queried service or address and can change.
Check MX, SPF, DKIM, DMARC, DNS, and blacklist status, save timestamps, then compare with headers, registrar context, and reputation sources.
English-first interface or documentation; local source interpretation may still require language and jurisdiction context.
Limits
Strengths, caveats, and risk
Fast diagnostic workflow, broad email/DNS checks in one interface, and practical output for domain and mail-security triage.
For MXToolbox, the main friction is that dns, email, and blacklist diagnostics can look more decisive than it is when access level, source freshness, and case context are not documented.
MXToolbox does not prove final conclusions on its own; its domain & dns intelligence output must be checked against source provenance, timestamps, and independent corroboration.
Shared mail infrastructure and transient blacklist entries can make normal providers look suspicious or make abusive senders look cleaner than they are.
Email diagnostics should support defensive or investigative review, not unauthorized access or harassment of domain owners.
Use MXToolbox as structured evidence context, then verify the specific claim that matters before publishing, escalating, or merging it into a case narrative.
Same-task options
Alternatives
Maintenance
Source status & suggest an update
Help keep this profile accurate. Update requests are reviewed and logged before publication.
Source checked: 2026-05-07
If something is outdated, please submit a correction or ownership update request. Claim requests are reviewed and do not grant editorial control.
Commercial or sponsorship requests use the separate partner workflow.