jcdn.de

Valid Email Server
Domain Lookup › jcdn.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jcdn.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 08:09:41 UTC · ↺ Refresh

MX Hostnames

  • jcdn-de.mail.protection.outlook.com

MX Priorities

  • jcdn-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 136.243.86.211 ↩ h09-vs02.jarmedia.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com

SOA Record

Raw SOA jcdn.de media.j-a-richter.de.jcdn.de 1774426141 300 60 86400 60
Primary NS (mname)
jcdn.de
Admin Email (rname)
media@j-a-richter.de.jcdn.de
Serial
1774426141
Refresh
300s
Retry
60s
Expire
86400s
Minimum TTL
60s

Nameservers (NS)

riegl.jcdn.de
beteigeuze.jcdn.de

SPF Record

✓ Strict (-all)
v=spf1 +a +mx include:jarmedia-mail.de include:eu.mailgun.org include:spf.protection.outlook.com +a:h09-vs02.jarmedia.de -all
📊 DNS lookups: 6/10
✓ 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 +a +mx include:jarmedia-mail.de include:eu.mailgun.org include:spf.protection.outlook.com +a:h09-vs02.jarmedia.de -all
  • MS=ms12390437
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