hsuhh.de

Valid Email Server
Domain Lookup › hsuhh.de

Domain Overview

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

Checked via [email protected] · 2026-03-31 18:11:15 UTC · ↺ Refresh

MX Hostnames

  • premail.unibw-hamburg.de

MX Priorities

  • premail.unibw-hamburg.de: 20

A / AAAA Records

  • 139.11.5.52 ↩ premail.unibw-hamburg.de

Mail Server IPs

  • 139.11.5.52 ↩ premail.unibw-hamburg.de

SOA Record

Raw SOA auth-dns-1.unibw-hamburg.de hostadm.hsu-hh.de 2024053695 16384 900 1048576 2560
Primary NS (mname)
auth-dns-1.unibw-hamburg.de
Admin Email (rname)
hostadm@hsu-hh.de
Serial
2024053695
Refresh
16384s
Retry
900s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

auth-dns-3.unibw-hamburg.de
dns-3.dfn.de
auth-dns-1.unibw-hamburg.de
auth-dns-2.unibw-hamburg.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:139.11.5.0/24 ip4:139.11.10.0/24 ip4:137.193.247.0/24 ip4:139.11.80.0/22 ip4:139.11.40.0/24 ip4:193.174.240.0/24 include:spf.protection.outlook.com -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 ip4:139.11.5.0/24 ip4:139.11.10.0/24 ip4:137.193.247.0/24 ip4:139.11.80.0/22 ip4:139.11.40.0/24 ip4:193.174.240.0/24 include:spf.protection.outlook.com -all
  • adobe-idp-site-verification=9051ee60192c39cd0e2df954a124b2fdda47260eed95ab0f4917d4d616c1a1b6
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