uni-tuebingen.de

Valid Email Server
Domain Lookup › uni-tuebingen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
uni-tuebingen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 22:17:13 UTC · ↺ Refresh

MX Hostnames

  • c1541.mx.srv.dfn.de
  • a1541.mx.srv.dfn.de
  • b1541.mx.srv.dfn.de

MX Priorities

  • b1541.mx.srv.dfn.de: 500
  • a1541.mx.srv.dfn.de: 500
  • c1541.mx.srv.dfn.de: 500

A / AAAA Records

  • 134.2.5.1 ↩ www.cin.uni-tuebingen.de
  • 2001:7c0:300c:30f0::8602:501 ↩ www.uni-tuebingen.de

Mail Server IPs

  • 194.95.234.90 ↩ b1541.mx.srv.dfn.de
  • 2001:638:d:c302:acdc:1979:2:3a ↩ b1541.mx.srv.dfn.de
  • 194.95.232.90 ↩ a1541.mx.srv.dfn.de
  • 2001:638:d:c301:acdc:1979:2:3a ↩ a1541.mx.srv.dfn.de
  • 194.95.238.90 ↩ c1541.mx.srv.dfn.de
  • 2001:638:d:c303:acdc:1979:2:3a ↩ c1541.mx.srv.dfn.de

SOA Record

Raw SOA dns6.uni-tuebingen.de hostmaster.uni-tuebingen.de 80858636 21600 1800 2419200 10800
Primary NS (mname)
dns6.uni-tuebingen.de
Admin Email (rname)
hostmaster@uni-tuebingen.de
Serial
80858636
Refresh
21600s
Retry
1800s
Expire
2419200s
Minimum TTL
10800s

Nameservers (NS)

dns1.belwue.de
dns4.uni-tuebingen.de
dns3.uni-tuebingen.de
dns3.belwue.de

SPF Record

✓ Soft Fail (~all)
v=spf1 +ip4:134.2.5.192/27 ?ip4:134.2.0.0/16 +ip6:2001:7c0:300c:3105::/64 ?ip6:2001:7c0:3000::/40 include:agenturserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

6 records
  • google-site-verification=F0BUIxDlE_ctwJnuXcHby3yUaX-jV65_fYPpqR5I9v8
  • google-site-verification=O0Rd6sMq-llNPqZPAFJTKCVKM5J2gr6pFOBCj_O77OA
  • cisco-ci-domain-verification=22a3115aeff6c971b00cea217c390eeeb72aedb60f01e4396490a7fc42d000e0
  • SPFv=spf1 +ip4:134.2.5.192/27 ?ip4:134.2.0.0/16 +ip6:2001:7c0:300c:3105::/64 ?ip6:2001:7c0:3000::/40 include:agenturserver.de include:spf.protection.outlook.com ~all
  • HARICA-vba3Ue4l5YsuhDoEyGo
  • MS=ms30248456
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