Is mailnator.com a valid email domain?
Mail for mailnator.com is handled by 1 server, with ~ tried first.
It appears on our list of disposable and throwaway email domains.
SPF is published and ends with -all. No DMARC policy was found.
Check an email address at mailnator.com
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MX records
| Priority | Mail server | Resolves to |
|---|---|---|
| 300 | ~ | no address found |
SPF
Record published
v=spf1 a -all
DMARC
No record found
Disposable?
Yes, listed as a disposable email domain.
Free provider?
Yes, a free public mailbox provider.
What this means for your email list
Should you accept addresses at this domain?
For most businesses, no. Addresses at mailnator.com are made to be thrown away, which means onboarding emails go unread and re-engagement campaigns go nowhere. Reject them at signup or flag them for review.
Sender authentication
mailnator.com has no DMARC policy, so receivers have no instruction on what to do with mail that fails authentication. Large mailbox providers now expect bulk senders to publish one.
✨ Report summary
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Sign up to get a report summary →Frequently asked questions
- Is mailnator.com a valid email domain?
- Yes. mailnator.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 mailnator.com a disposable email domain?
- Yes. mailnator.com is on our list of disposable and temporary email domains, so most services block it.
- What are the MX records for mailnator.com?
- ~ (priority 300).
- Does mailnator.com have SPF and DMARC?
- SPF: yes, ending -all. DMARC: no record found.