cyber-insight.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cyber-insight.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 02:05:29 UTC · ↺ Refresh

MX Hostnames

  • cyberinsight-de01c.mail.protection.outlook.com

MX Priorities

  • cyberinsight-de01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.175.196.112 (no PTR)
  • 2a00:1c98:60:1151::78cc:a953 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns2.domaindiscount24.net tech.key-systems.net 2026031500 10800 3600 604800 28800
Primary NS (mname)
ns2.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026031500
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s

Nameservers (NS)

ns2.domaindiscount24.net
ns1.domaindiscount24.net
ns3.domaindiscount24.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:80.64.190.237 include:_spf.mailersend.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

11 records
  • @MS=ms58708195
  • google-site-verification=jGBduQrIPO1fYyZqcWnBt9jO03TlOQDIkBziQpdbrt0
  • SPFv=spf1 ip4:80.64.190.237 include:_spf.mailersend.net include:spf.protection.outlook.com -all
  • sophos-domain-verification=084d3cd1fe164c56df1897d96ae88ed9d952755ee30009b9b3fafabcc26070c1
  • google-site-verification=8XMgawu1JYf2OfxoIQw7g1jG9XDnqIm7s41zZJUbKQY
  • firebase=fbapp-8ac41
  • firebase=cyber-insight-dev
  • atlassian-domain-verification=VH2LvaOfq9VCe3wyMi4b6XPQtoj1cKTmxCwrJxlogHOw1xwBva7f45wFxWxNioEj
  • apple-domain-verification=rWgb3obqtCk48Z7c
  • google-site-verification=wAAbbni2kxIKLc06ZMVcfghHo-oc4gLZqG
  • google-site-verification=PbRTUMnUtTXGfc-NzNMUMqxZnXu2n5d5xJK-vXesXpQ
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