uni-hamburg.de

Valid Email Server
Domain Lookup › uni-hamburg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uni-hamburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 18:47:51 UTC · ↺ Refresh

MX Hostnames

  • mx04.rrz.uni-hamburg.de
  • mx03.rrz.uni-hamburg.de
  • mx05.rrz.uni-hamburg.de

MX Priorities

  • mx05.rrz.uni-hamburg.de: 5
  • mx04.rrz.uni-hamburg.de: 5
  • mx03.rrz.uni-hamburg.de: 5

A / AAAA Records

  • 134.100.36.8 ↩ fiona-bridge.rrz.uni-hamburg.de

Mail Server IPs

  • 134.100.38.105 ↩ mx05.rrz.uni-hamburg.de
  • 134.100.38.104 ↩ mx04.rrz.uni-hamburg.de
  • 134.100.38.103 ↩ mx03.rrz.uni-hamburg.de

SOA Record

Raw SOA ns.rrz.uni-hamburg.de netgroup.rrz.uni-hamburg.de 2026031808 10800 3600 604800 7200
Primary NS (mname)
ns.rrz.uni-hamburg.de
Admin Email (rname)
netgroup@rrz.uni-hamburg.de
Serial
2026031808
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

ns.rrz.uni-hamburg.de
dns2.rrz.uni-hamburg.de
rzdspc1.informatik.uni-hamburg.de
dns1.rrz.uni-hamburg.de
dns-3.dfn.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:134.100.38.64/26 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • jamf-site-verification=myEv21-oaE8vC4h52sT0-A
  • MS=442ABFBA9905F38423AE1FC75712741886F34779
  • adobe-idp-site-verification=46b245589c136af9a25e6fe7e169e3f2256cae02b6e3b087d82cfe9afe6ea643
  • SPFv=spf1 ip4:134.100.38.64/26 ~all
  • google-site-verification=OZcUjRiXyV-FC_CETAcSW8vmGy5Z5PVeV9VuY6hmmPk
  • google-gws-recovery-domain-verification=53008832
  • apple-domain-verification=EOZVdX53PEO7QreC
  • HARICA-Ni6eI7VbLz7zJSPBbY4
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