tu-dresden.de

Valid Email Server
Domain Lookup › tu-dresden.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tu-dresden.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 06:38:28 UTC · ↺ Refresh

MX Hostnames

  • c3011.mx.srv.dfn.de
  • a3011.mx.srv.dfn.de
  • b3011.mx.srv.dfn.de

MX Priorities

  • b3011.mx.srv.dfn.de: 10
  • a3011.mx.srv.dfn.de: 10
  • c3011.mx.srv.dfn.de: 10

A / AAAA Records

  • 141.76.14.10 ↩ www.tu-dresden.de

Mail Server IPs

  • 194.95.235.95 ↩ b3011.mx.srv.dfn.de
  • 194.95.233.95 ↩ a3011.mx.srv.dfn.de
  • 194.95.239.95 ↩ c3011.mx.srv.dfn.de

SOA Record

Raw SOA pdns1.zih.tu-dresden.de hostmaster.tu-dresden.de 2026031900 14400 1800 2764800 1800
Primary NS (mname)
pdns1.zih.tu-dresden.de
Admin Email (rname)
hostmaster@tu-dresden.de
Serial
2026031900
Refresh
14400s
Retry
1800s
Expire
2764800s
Minimum TTL
1800s

Nameservers (NS)

adns1.zih.tu-dresden.de
dns-3.dfn.de
dns-1.dfn.de
adns2.zih.tu-dresden.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.zih.tu-dresden.de include:_spf.o301.mx.srv.dfn.de include:_spf.bps-system.de include:cemsc.net include:_spf.zimpel.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=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

7 records
  • adobe-idp-site-verification=6e2dfc8c175f7d874197fdee6fd92985d1f52f826a486a6e9b9586de11b345a3
  • MS=D5C91E3A539F983C73A5FCFA8FCF7195ADAD6D7E
  • SPFv=spf1 include:_spf.zih.tu-dresden.de include:_spf.o301.mx.srv.dfn.de include:_spf.bps-system.de include:cemsc.net include:_spf.zimpel.de ~all
  • zone-ownership-verification-359acca353bc42beb6ce776576993c5c9da2d9f4eff2ae3c7fd8b27c4bd043ce
  • ZOOM_verify_BknoIvsqjs9bXO0MErTgyw
  • lnk_sndcpt_00fca03d274327a135473e33e07996dd
  • google-site-verification=DGZkuR23xCSStevwpTamkYn6UhvzY8i_KmG3AnopG5Y
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