kaco.de

Valid Email Server
Domain Lookup › kaco.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 02:09:51 UTC · ↺ Refresh

MX Hostnames

  • mx1.mas.t-systems-service.com
  • mx2.mas.t-systems-service.com
  • mx3.mas.t-systems-service.com

MX Priorities

  • mx3.mas.t-systems-service.com: 30
  • mx2.mas.t-systems-service.com: 20
  • mx1.mas.t-systems-service.com: 10

A / AAAA Records

  • 217.160.0.11 ↩ 217-160-0-11.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::27e ↩ 2001-08d8-100f-f000-0000-0000-0000-027e.elastic-ssl.ui-r.com

Mail Server IPs

  • 94.100.254.155 ↩ ffm-mta01.mas.t-systems-service.com
  • 46.29.101.2 ↩ muc-mta02.mas.t-systems-service.com
  • 217.150.155.12 ↩ mgb-mta02.mas.t-systems-service.com
  • 46.29.101.1 ↩ muc-mta01.mas.t-systems-service.com
  • 217.150.155.10 ↩ mgb-mta01.mas.t-systems-service.com

SOA Record

Raw SOA ns1.telekom-domains.de dns.telekom.de 2026020403 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2026020403
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s

Nameservers (NS)

ns1.telekom-domains.de
ns2.telekom-domains.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com a:mail.kaco.de ip4:217.243.247.98 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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.hornetsecurity.com a:mail.kaco.de ip4:217.243.247.98 include:spf.protection.outlook.com -all
  • ZOOM_verify_r9a47vvTTRCSPoO2cjfPew
  • apple-domain-verification=bi2407gLj3hVvf2U
  • zone-ownership-verification-ccf1e1bdd617d5b72f8106eb706507cc8ce6db80d8c38a2165aa745c1d33b917
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