Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
studierendenwerk.uni-siegen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:18:31 UTC · ↺ Refresh
MX Hostnames
- smtp-public.uni-siegen.de
MX Priorities
- smtp-public.uni-siegen.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 141.99.10.90 ↩ smtp-public.uni-siegen.de
SOA Record
Raw SOA
si-nic.hrz.uni-siegen.de dnsmaster.zimt.uni-siegen.de 8 10800 3600 2592000 900
Primary NS (mname)
si-nic.hrz.uni-siegen.de
Admin Email (rname)
dnsmaster@zimt.uni-siegen.de
Serial
8
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
dns-1.dfn.de
petz.hrz.uni-siegen.de
si-nic.hrz.uni-siegen.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.uni-siegen.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- MS=3DE2208E07A2C2F98143A2F3A40DF460626C87F2
- SPFv=spf1 include:spf.uni-siegen.de ~all
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