ph.tum.de

Valid Email Server
Domain Lookup › ph.tum.de

Domain Overview

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

Checked via [email protected] · 2026-03-29 19:44:18 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • postrelay1.lrz.de: 200
  • postrelay2.lrz.de: 100

A / AAAA Records

  • 129.187.254.147 ↩ ph.tum.de

Mail Server IPs

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

SOA Record

Raw SOA dns1.lrz.de hostmaster.lrz.de 2026032618 21600 1800 3600000 86400
Primary NS (mname)
dns1.lrz.de
Admin Email (rname)
hostmaster@lrz.de
Serial
2026032618
Refresh
21600s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

dns2.lrz.bayern
dns3.lrz.eu
dns1.lrz.de

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=_spf.mail.lrz.de
📊 DNS lookups: 1/10

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 redirect=_spf.mail.lrz.de
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