Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uni-marburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 16:27:59 UTC · ↺ Refresh
MX Hostnames
- b2111.mx.srv.dfn.de
- c2111.mx.srv.dfn.de
- a2111.mx.srv.dfn.de
MX Priorities
- a2111.mx.srv.dfn.de: 10
- c2111.mx.srv.dfn.de: 10
- b2111.mx.srv.dfn.de: 10
A / AAAA Records
- 137.248.1.74 ↩ vhrz2122.HRZ.Uni-Marburg.DE
Mail Server IPs
- 194.95.232.165 ↩ a2111.mx.srv.dfn.de
- 194.95.238.165 ↩ c2111.mx.srv.dfn.de
- 194.95.234.165 ↩ b2111.mx.srv.dfn.de
SOA Record
Raw SOA
dnsp.uni-marburg.de umrnet-team.hrz.uni-marburg.de 2026032416 18000 1800 3600000 86400
Primary NS (mname)
dnsp.uni-marburg.de
Admin Email (rname)
umrnet-team@hrz.uni-marburg.de
Serial
2026032416
Refresh
18000s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
dnss2.uni-marburg.de
dnss1.uni-marburg.de
dnsp.uni-marburg.de
dns-2.dfn.de
dns-1.dfn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.uni-marburg.de include:_spf.plan.io ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=quarantine; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:_spf.uni-marburg.de include:_spf.plan.io ~all
- _telesec-domain-validation=341660_2025-10-14_xEcNUPL56MiQiAv3lB2BXPpLgJVJjWzhqT4nxdzYOOg3cnP7lH
- google-site-verification=dPK5zVQ_-_Kj4Lto7ZrEEsah0_Sp6ovYiQ0lpHDecjg
- brevo-code:8f4aeb3ec6752842e560cc22add86ff0
- adobe-idp-site-verification=b3e4658a43e3581cbd3d8000f218c36b3f5cbc0597144eda523de73a4dbf7788
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