bdkj-duisburg.de

Valid Email Server
Domain Lookup › bdkj-duisburg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bdkj-duisburg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 11:04:06 UTC · ↺ Refresh

MX Hostnames

  • bdkjduisburg-de01b.mail.protection.outlook.com

MX Priorities

  • bdkjduisburg-de01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 49.12.39.59 ↩ static.59.39.12.49.clients.your-server.de

Mail Server IPs

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

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026030401 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026030401
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=3AFB8626BFD0B57B2D5D999E7C4E69C79875010F
  • MS=ms98643695
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDA8Zr59fHD+QFNp1csOmJfs/A/qtxkXxTPYTBGGzR8+1XE/XXlEi1uIpWWJVSOutlUi/QJglBRdAfKfMxIylWJz/Byyfbcw0JDdZA5NpRYQIwD8lvHZU96joq+aIPXdD/bAiKcWA0suq6lxi7Kze7UyJiByykK9pZWmYjgpm3UuQIDAQAB
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