klinikum-braunschweig.de

Valid Email Server
Domain Lookup › klinikum-braunschweig.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
klinikum-braunschweig.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 04:07:59 UTC · ↺ Refresh

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MX Hostnames

  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx01.hornetsecurity.com

MX Priorities

  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 20
  • mx03.hornetsecurity.com: 30
  • mx04.hornetsecurity.com: 40

A / AAAA Records

  • 49.12.23.80 ↩ static.80.23.12.49.clients.your-server.de

Mail Server IPs

  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com

SOA Record

Raw SOA ns1.first-ns.de postmaster.klinikum-braunschweig.de 2025072100 10800 3600 604800 60
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
postmaster@klinikum-braunschweig.de
Serial
2025072100
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
60s

Nameservers (NS)

robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.hornetsecurity.com include:spf.protection.outlook.com +ip4:49.12.23.80 +ip4:144.76.71.19 +ip4:81.14.167.202 +ip4:148.251.235.211 +ip4:80.67.31.0/24 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:[email protected]; rua=mailto:[email protected]; rf=afrf; pct=100; ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

5 records
  • google-site-verification=v3O5XghGpx7bqGy4WIfhufBh9e8Fv_9lpIkvIHYlhkM
  • google-site-verification=xW3yOOamM60o-h1SK4EY7vZL_lPaHh--44StrlEppfM
  • SPFv=spf1 a mx include:spf.hornetsecurity.com include:spf.protection.outlook.com +ip4:49.12.23.80 +ip4:144.76.71.19 +ip4:81.14.167.202 +ip4:148.251.235.211 +ip4:80.67.31.0/24 ~all
  • MS=ms35726775
  • apple-domain-verification=PhYWH0iF0ki0meW4
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