MX record checker
MX records tell the internet which mail servers receive email for a domain. MX lookup helps verify setup, troubleshoot routing, and identify mailbox providers.
Checker output
MX
10 mail.provider.com
At a glance
Plain-language summary for buyers, operators, and search engines.
In simple terms
An MX checker resolves Mail Exchange DNS records and priority order for a domain.
Why it matters
Wrong MX records cause bounces, broken forwarding, and verification failures during onboarding.
How CloudJet handles it
Compare MX results against your expected provider (Google, Microsoft, custom MTA) after DNS changes.
Run the Mx Record Checker
See the actual published DNS records, validation results, and suggested fixes — free, no signup.
Live checker
Queries public DNS — shows the actual published records and any issues found.
Enter a domain to see the published DNS record, validation results, and suggested fixes.
Real DNS lookups
We query public DNS and show the exact TXT/MX records published for your domain.
Records + issues
Each check shows the live record, what passed, what failed, and how to fix it.
Go deeper in CloudJet
Sign up to save history, monitor domains, and automate remediation.
How to use this checker
01
Enter your domain above and click Run check for a live DNS lookup — free, no account required.
02
Sign up for CloudJet to save history, monitor changes, and automate remediation across your sending domains.
What MX records reveal
Which provider hosts mailboxes (e.g. Google Workspace, Microsoft 365, custom infrastructure).
Priority order when multiple MX targets exist.
Whether a domain is configured to receive mail at all.
MX issues during email migration
Stale MX pointing to old provider after cutover.
Missing MX on domains that must receive replies.
Priority inversion sending mail to backup servers unintentionally.
Related pages
Continue exploring capabilities that connect to this topic.
Questions & answers
How to run this check, read results, and pair with CloudJet monitoring.
A DNS record specifying mail servers that accept email for a domain, with priority values determining order of delivery attempts.
Outbound primarily uses SPF/DKIM/DMARC. MX matters for receiving replies, bounces, and verification workflows that check mailbox existence.
Monitor these checks in CloudJet
Free checks run on this page. Sign up for saved history, alerts, and continuous domain monitoring.