csx-academy.de

Valid Email Server
Domain Lookup › csx-academy.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
csx-academy.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 23:03:45 UTC · ↺ Refresh

MX Hostnames

  • csxacademy-de0i.mail.protection.outlook.com
  • mx.com.csx-academy.de
  • mail.csx-academy.de

MX Priorities

  • mail.csx-academy.de: 10
  • mx.com.csx-academy.de: 20
  • csxacademy-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 148.251.108.40

Mail Server IPs

  • 94.130.249.234 ↩ mail.net-e.de
  • 148.251.108.43 ↩ mx.csx-academy.de
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026031300 86400 10800 3600000 300
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026031300
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
300s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail.csx-academy.de a:com.csx-academy.de include:spf.protection.outlook.com -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

✗ 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

2 records
  • SPFv=spf1 mx a:mail.csx-academy.de a:com.csx-academy.de include:spf.protection.outlook.com -all
  • MS=ms38366491
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