klinikum-stuttgart.de

Valid Email Server
Domain Lookup › klinikum-stuttgart.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
klinikum-stuttgart.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 07:34:53 UTC · ↺ Refresh

MX Hostnames

  • d324347.a.ess.de.barracudanetworks.com
  • d324347.b.ess.de.barracudanetworks.com

MX Priorities

  • d324347.b.ess.de.barracudanetworks.com: 10
  • d324347.a.ess.de.barracudanetworks.com: 10

A / AAAA Records

  • 185.48.116.157 ↩ www.klinikum-stuttgart.de

Mail Server IPs

  • 18.185.115.252 ↩ mail.ess.de.barracuda.com
  • 18.185.115.250 ↩ mail.ess.de.barracuda.com
  • 18.185.115.251 ↩ mail.ess.de.barracuda.com

SOA Record

Raw SOA ns5.twosteps.info postmaster.klinikum-stuttgart.de 2025082000 10800 3600 604800 86400
Primary NS (mname)
ns5.twosteps.info
Admin Email (rname)
postmaster@klinikum-stuttgart.de
Serial
2025082000
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns7.twosteps.info
ns5.twosteps.info
ns6.twosteps.info

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:207.154.244.56 ip4:185.21.101.174 ip4:85.184.250.146 ip4:213.165.72.36 ip4:212.132.69.99 a:mx1.klinikum-stuttgart.de a:mx2.klinikum-stuttgart.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

4 records
  • SPFv=spf1 a mx ip4:207.154.244.56 ip4:185.21.101.174 ip4:85.184.250.146 ip4:213.165.72.36 ip4:212.132.69.99 a:mx1.klinikum-stuttgart.de a:mx2.klinikum-stuttgart.de -all
  • MS=368E0EA246C0CDB9C4B7CECB299A619E80156415
  • MS=ms52884733
  • ZnVMx9Bk8Dpx99zWv0euEinV50q3KG57yyaYbaAQTRk3utX1GafatK6/su35T01abt8H7WJi+Bz96Bb82rRm3g==
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