cs.tu-darmstadt.de

Valid Email Server
Domain Lookup › cs.tu-darmstadt.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cs.tu-darmstadt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 15:27:05 UTC · ↺ Refresh

MX Hostnames

  • b2681.mx.srv.dfn.de
  • c2681.mx.srv.dfn.de
  • a2681.mx.srv.dfn.de

MX Priorities

  • a2681.mx.srv.dfn.de: 10
  • b2681.mx.srv.dfn.de: 10
  • c2681.mx.srv.dfn.de: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 194.95.233.42 ↩ a2681.mx.srv.dfn.de
  • 2001:638:d:c301:acdc:1979:2:e2 ↩ a2681.mx.srv.dfn.de
  • 194.95.235.42 ↩ b2681.mx.srv.dfn.de
  • 2001:638:d:c302:acdc:1979:2:e2 ↩ b2681.mx.srv.dfn.de
  • 194.95.239.42 ↩ c2681.mx.srv.dfn.de
  • 2001:638:d:c303:acdc:1979:2:e2 ↩ c2681.mx.srv.dfn.de

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.tu-darmstadt.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 include:_spf.tu-darmstadt.de ~all
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