Is uni-hamburg.de a valid email domain?
uni-hamburg.de has working mail routing: 3 MX records pointing, led by mx04.rrz.uni-hamburg.de.
It is not a free provider and is not on our disposable list, so addresses here usually belong to a company, school or other organisation.
SPF is published and ends with ~all. DMARC is set to reject.
Check an email address at uni-hamburg.de
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MX records
| Priority | Mail server | Resolves to |
|---|---|---|
| 5 | mx04.rrz.uni-hamburg.de | 134.100.38.104 |
| 5 | mx05.rrz.uni-hamburg.de | 134.100.38.105 |
| 5 | mx03.rrz.uni-hamburg.de | 134.100.38.103 |
SPF
Record published
v=spf1 ip4:134.100.38.64/26 ~all
DMARC
Policy: reject
v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rua=mailto:dmarc-reports.rrz@uni-hamburg.de
Disposable?
No, not on our disposable list.
Free provider?
No, not a known free provider.
What this means for your email list
What this means for addresses at this domain
uni-hamburg.de looks like an organisation's own domain. Those are usually good leads, and also where bounces come from: people change jobs and mailboxes get closed. Checking each address, including whether the server accepts any recipient, avoids damaging your sender reputation.
Sender authentication
uni-hamburg.de has a strict DMARC policy (reject): mail that fails authentication is refused, which protects its brand from spoofing and means anyone sending as uni-hamburg.de must have SPF and DKIM set up correctly.
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Sign up to get a report summary →Frequently asked questions
- Is uni-hamburg.de a valid email domain?
- Yes. uni-hamburg.de publishes 3 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
- Is uni-hamburg.de a disposable email domain?
- No. uni-hamburg.de is not on our disposable list. The list is updated regularly, and new throwaway domains appear all the time.
- What are the MX records for uni-hamburg.de?
- mx04.rrz.uni-hamburg.de (priority 5); mx05.rrz.uni-hamburg.de (priority 5); mx03.rrz.uni-hamburg.de (priority 5).
- Does uni-hamburg.de have SPF and DMARC?
- SPF: yes, ending ~all. DMARC: yes, policy reject.