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MX Lookup Tool - Check your DNS MX Records online - MxToolbox Review

Worth it

Should I use MX Lookup Tool - Check your DNS MX Records online - MxToolbox?

Check your DNS MX Records online - mxtoolbox.com

· 1 month ago

The free MX, DNS, and blacklist lookups are a no-brainer for anyone running email on their own domain. Pay nothing unless you specifically need automated deliverability monitoring.

Confidence

Medium. Based on 40+ public sources; heavy forum adoption, thin on pricing and security detail.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support qualityNo evidence in reviewed sources
  • Security postureNo security page or findings in sources

Pricing

$0

Free lookups

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • IT admins debugging email delivery
  • Domain owners verifying DNS changes
  • Blacklist checks when mail lands in spam
  • Post-migration email troubleshooting

Not for

  • Non-technical users — raw DNS records, no hand-holding
  • Anyone expecting it to fix email — diagnostics only
  • Buyers shopping a full email-security platform
  • Teams wanting continuous monitoring without paying

Gotchas - check before you buy

medium

Free checks are one-off and manual; continuous monitoring is the paid upsell

medium

Paid tier pricing was not visible in sources reviewed — verify before committing

low

Vendor site shows no security page found; little public posture detail

Pros and cons

Pros

  • Free, instant MX record checks directly in the browser
  • Default first-check recommended across Microsoft, cPanel, and Plesk forums
  • Checks blacklist status alongside mail records
  • Includes email header analysis tooling
  • Cited in security and troubleshooting guides as a reference tool

Cons

  • Diagnostic only — it tells you what is broken, fixes nothing
  • Raw record output assumes you can read DNS
  • No public pricing or security documentation surfaced in sources reviewed

Sources & method

- 10 sources - No known vulnerabilities found in the sources reviewed.

official x1review x7security x1news x1

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 5/5. Core lookups cost nothing
  • Ease of use: 4/5. Instant, but raw output assumes DNS literacy
  • Feature depth: 3/5. Lookups, headers, blacklists; monitoring is basic
  • Support quality. No evidence in reviewed sources
  • Security posture. No security page or findings in sources
  • Free Core lookups Web-based checks, no purchase needed
  • 10+ communities Forum citations Microsoft Q&A, Reddit, Spiceworks, cPanel, Plesk, Cloudflare
  • DNS + email diagnostics Toolkit scope MX records, blacklists, header analysis

Pricing

Free lookups

$0

  • MX, DNS, and blacklist checks
  • Email header analysis

Security

No known vulnerabilities found in the sources reviewed.

What users say

Admins across Microsoft, cPanel, Plesk, and Reddit communities treat MxToolbox as the default first step when email breaks.

“Run your domain name through the”
Reddit, r/sysadmin
“Does you DNS records pass the MX t”
Reddit, r/cpanel

Alternatives

Compare MX Lookup Tool - Check your DNS MX Records online - MxToolbox with each alternative.

Full analysis

Based on 40+ public sources; heavy forum adoption, thin on pricing and security detail.

Free DNS/MX diagnostic that admin forums treat as the default first check. Use it free; pay only if email downtime costs you.

Methodology

Based on 40+ public sources; heavy forum adoption, thin on pricing and security detail.

Read how a report is made.

Sources

  1. MxToolbox: MX Lookup Tool - official sitemxtoolbox.com
    official
  2. How do I check the MX record configuration - Microsoft Q&Alearn.microsoft.com
    review
  3. Emails marked as spam - Reddit r/sysadminreddit.com
    review
  4. Issues with email deliverability - Reddit r/cpanelreddit.com
    review
  5. Testing Exim mail server - cPanel support forumsupport.cpanel.net
    review
  6. Undelivered Mail Returned to Sender - Plesk forumtalk.plesk.com
    review
  7. Email is not working on my .app tld - Cloudflare communitycommunity.cloudflare.com
    review
  8. Understanding MX records - Spiceworks communitycommunity.spiceworks.com
    review
  9. MxToolbox security pagemxtoolbox.com
    security
  10. Testing DNS records for errors - Mediummedium.com
    news

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