mytum.de

Valid Email Server
Domain Lookup › mytum.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mytum.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 22:21:03 UTC · ↺ Refresh

MX Hostnames

  • postrelay2.lrz.de
  • postrelay1.lrz.de

MX Priorities

  • postrelay2.lrz.de: 100
  • postrelay1.lrz.de: 100

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 129.187.255.161 ↩ postrelay2b.lrz.de
  • 129.187.254.159 ↩ postrelay2a.lrz.de
  • 2001:4ca0::103:0:25:1:2 ↩ postrelay2a.lrz.de
  • 2001:4ca0::103:0:0:81bb:ffa1 ↩ postrelay2b.lrz.de
  • 129.187.254.158 ↩ postrelay1a.lrz.de
  • 129.187.255.160 ↩ postrelay1b.lrz.de
  • 2001:4ca0::103:0:25:1:1 ↩ postrelay1a.lrz.de
  • 2001:4ca0::103:0:0:81bb:ffa0 ↩ postrelay1.lrz.de

SOA Record

Raw SOA ns.ze.tum.de schmidt.ze.tum.de 2026032907 14400 3600 3600000 3600
Primary NS (mname)
ns.ze.tum.de
Admin Email (rname)
schmidt@ze.tum.de
Serial
2026032907
Refresh
14400s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

dns2.lrz.bayern
dns1.lrz.de
dns-3.dfn.de
dns3.lrz.eu
ns.ze.tum.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mail.zv.tum.de a:mail.ze.tum.de redirect=_spf.mail.lrz.de
📊 DNS lookups: 3/10

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

4 records
  • google-site-verification=9FK6Y2HOicngmFz7mAiClDmFOtEWI0DcktrTACRrNDY
  • MS=ms84169870
  • apple-domain-verification=LEtv5qoeG8GIAAnX
  • SPFv=spf1 a:mail.zv.tum.de a:mail.ze.tum.de redirect=_spf.mail.lrz.de
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