physnet.uni-hamburg.de

Valid Email Server
Domain Lookup › physnet.uni-hamburg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
physnet.uni-hamburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 03:47:35 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

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

SOA Record

Raw SOA ns.physnet.uni-hamburg.de admin.physnet.uni-hamburg.de 2026031904 21600 3600 604800 7200
Primary NS (mname)
ns.physnet.uni-hamburg.de
Admin Email (rname)
admin@physnet.uni-hamburg.de
Serial
2026031904
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

ns.physnet.uni-hamburg.de
ns2.physnet.uni-hamburg.de
dns-3.dfn.de
ns214.chemie.uni-hamburg.de
ns207.chemie.uni-hamburg.de
dns2.rrz.uni-hamburg.de
dns1.rrz.uni-hamburg.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:134.100.106.230 include:uni-hamburg.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

2 records
  • SPFv=spf1 ip4:134.100.106.230 include:uni-hamburg.de -all
  • apple-domain-verification=oFkWTaoNiplfyrHf
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