konrad-zuse-schule.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
konrad-zuse-schule.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 08:36:09 UTC · ↺ Refresh

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MX Hostnames

  • konradzuseschule-de01ei.mail.protection.outlook.com

MX Priorities

  • konradzuseschule-de01ei.mail.protection.outlook.com: 10

A / AAAA Records

  • 162.55.254.136 ↩ dedi7918.your-server.de

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA ns31.domaincontrol.com dns.jomax.net 2025090504 28800 7200 604800 600
Primary NS (mname)
ns31.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025090504
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns31.domaincontrol.com
ns32.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a include:agenturserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • google-site-verification=4Vljg-5N1YdaFDME46xmGSXJc-xKCEq-umhRRE6kQYw
  • MS=ms98196443
  • RgnanCEOj+qsKCkjTvsSV15VzArr5888k2TPV3WNAQW4nTqMsAA8eOkWS11WB3+ntLo5jbU4oAvuBpMOPHdELQ==
  • google-site-verification=N5CSKJAaq4c3qf9SZPLwX-iRlo1owTXIgkuCVZVi7dA
  • SPFv=spf1 a include:agenturserver.de include:spf.protection.outlook.com -all
  • apple-domain-verification=LwAJMtJivAV9ulMm
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