usm.uni-muenchen.de

Valid Email Server
Domain Lookup › usm.uni-muenchen.de

Domain Overview

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

Checked via [email protected] · 2026-04-06 15:24:50 UTC · ↺ Refresh

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MX Hostnames

  • mxusm5.usm.uni-muenchen.de
  • mailto.usm.uni-muenchen.de
  • mxusm1.usm.uni-muenchen.de
  • mxusm2.usm.uni-muenchen.de
  • mailman.usm.uni-muenchen.de
  • mxusm3.usm.uni-muenchen.de
  • mxusm4.usm.uni-muenchen.de

MX Priorities

  • mxusm5.usm.uni-muenchen.de: 15
  • mxusm1.usm.uni-muenchen.de: 15
  • mxusm2.usm.uni-muenchen.de: 15
  • mxusm3.usm.uni-muenchen.de: 15
  • mxusm4.usm.uni-muenchen.de: 15
  • mailto.usm.uni-muenchen.de: 10
  • mailman.usm.uni-muenchen.de: 15

A / AAAA Records

  • 129.187.204.180
  • 2001:4ca0:4101::81:bb:cc:b4

Mail Server IPs

  • 129.187.204.206 ↩ mxusm5.usm.uni-muenchen.de
  • 2001:4ca0:4101::81:bb:cc:ce ↩ mxusm5.usm.uni-muenchen.de
  • 129.187.204.202 ↩ mxusm1.usm.uni-muenchen.de
  • 2001:4ca0:4101::81:bb:cc:ca ↩ mxusm1.usm.uni-muenchen.de
  • 129.187.204.203 ↩ mxusm2.usm.uni-muenchen.de
  • 2001:4ca0:4101::81:bb:cc:cb ↩ mxusm2.usm.uni-muenchen.de
  • 129.187.204.204 ↩ mxusm3.usm.uni-muenchen.de
  • 2001:4ca0:4101::81:bb:cc:cc ↩ mxusm3.usm.uni-muenchen.de
  • 129.187.204.205 ↩ mxusm4.usm.uni-muenchen.de
  • 2001:4ca0:4101::81:bb:cc:cd ↩ mxusm4.usm.uni-muenchen.de

SOA Record

Raw SOA dns.usm.uni-muenchen.de postmaster.usm.uni-muenchen.de 2026040248 12000 1800 1209600 43200
Primary NS (mname)
dns.usm.uni-muenchen.de
Admin Email (rname)
postmaster@usm.uni-muenchen.de
Serial
2026040248
Refresh
12000s
Retry
1800s
Expire
1209600s
Minimum TTL
43200s

Nameservers (NS)

hal1.usm.uni-muenchen.de
dns1.lrz.de
dns1.physik.uni-muenchen.de
usmu01.usm.uni-muenchen.de
dns2.physik.uni-muenchen.de
dns0.physik.uni-muenchen.de
dns3.lrz.eu
dns.usm.uni-muenchen.de
dns2.lrz.bayern

SPF Record

✓ Strict (-all)
v=spf1 include:publica.usm.uni-muenchen.de include:publicb.usm.uni-muenchen.de include:publicc.usm.uni-muenchen.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; adkim=s; aspf=r; rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:publica.usm.uni-muenchen.de include:publicb.usm.uni-muenchen.de include:publicc.usm.uni-muenchen.de -all
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