radioduisburg.de

Valid Email Server
Domain Lookup › radioduisburg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
radioduisburg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 19:05:47 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.221.107.44 ↩ r26524.agenturserver.it

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.wwwcenter.de tech.key-systems.net 2025110500 10800 3600 604800 28800
Primary NS (mname)
ns1.wwwcenter.de
Admin Email (rname)
tech@key-systems.net
Serial
2025110500
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns2.wwwcenter.de
ns1.wwwcenter.de
ns3.dnsres.net

SPF Record

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

5 records
  • facebook-domain-verification=0nvh52qxcikxr3fno0hziaxseqj6t3
  • google-site-verification=qZczsPwNb_C9Ah_eyj3x2dvrRpK-0YOt2W98wbmezOA
  • MS=ms63807756
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.funkemedien.de a mx -all
  • MS=ms57951111
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