Is runbox.com a valid email domain?
runbox.com has working mail routing: 1 MX record pointing, led by mx.runbox.com.
It is a free, public mailbox provider, and it is not on our disposable list.
SPF is published and ends with -all. DMARC is set to quarantine.
Check an email address at runbox.com
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MX records
| Priority | Mail server | Resolves to |
|---|---|---|
| 10 | mx.runbox.com | 185.226.149.25 |
SPF
Record published
v=spf1 include:spf.runbox.com -all
DMARC
Policy: quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@runbox.com
Disposable?
No, not on our disposable list.
Free provider?
Yes, a free public mailbox provider.
What this means for your email list
Is a free-provider address a problem?
No: plenty of genuine customers use runbox.com. For business-to-business sales a free address can mean a personal contact instead of a work one, so segment these separately if that matters to you. The address itself still needs checking for typos and dead mailboxes.
Sender authentication
runbox.com uses a DMARC quarantine policy: mail that fails authentication is sent to spam. That is a sound middle step, and a good sign the owner looks after their email setup.
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Sign up to get a report summary →Frequently asked questions
- Is runbox.com a valid email domain?
- Yes. runbox.com publishes 1 MX record and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
- Is runbox.com a disposable email domain?
- No. runbox.com is not on our disposable list, but it is a free public provider. The list is updated regularly, and new throwaway domains appear all the time.
- What are the MX records for runbox.com?
- mx.runbox.com (priority 10).
- Does runbox.com have SPF and DMARC?
- SPF: yes, ending -all. DMARC: yes, policy quarantine.