Is gmx.us a valid email domain?
Mail for gmx.us is handled by 2 servers, with mx00.gmx.net tried first.
It is a free, public mailbox provider, and it is not on our disposable list.
SPF is published. DMARC is set to quarantine.
Check an email address at gmx.us
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MX records
| Priority | Mail server | Resolves to |
|---|---|---|
| 10 | mx00.gmx.net | 212.227.15.150 |
| 20 | mx01.gmx.net | 213.165.67.123 |
SPF
Record published
v=spf1 redirect=_spf.gmx.net
DMARC
Policy: quarantine
v=DMARC1; p=quarantine; rua=mailto:dmarcreport@gmx.net
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?
Not by itself. gmx.us is a normal mailbox provider used by real people, and mail to it is delivered reliably. The thing to watch is whether the specific mailbox exists, which a domain check cannot tell you, so verify each address.
Sender authentication
gmx.us 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 gmx.us a valid email domain?
- Yes. gmx.us publishes 2 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
- Is gmx.us a disposable email domain?
- No. gmx.us 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 gmx.us?
- mx00.gmx.net (priority 10); mx01.gmx.net (priority 20).
- Does gmx.us have SPF and DMARC?
- SPF: yes. DMARC: yes, policy quarantine.