sec-concept.de

Valid Email Server
Domain Lookup › sec-concept.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sec-concept.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 05:53:29 UTC · ↺ Refresh

MX Hostnames

  • mail.sec-concept.de

MX Priorities

  • mail.sec-concept.de: 10

A / AAAA Records

  • 213.95.167.9 ↩ service.csa-gmbh.com

Mail Server IPs

  • 213.95.167.24 ↩ m.ip-adr.de

SOA Record

Raw SOA ns2.ip-adr.de transfer.csa-gmbh.com 2025082601 86400 10800 3024000 172800
Primary NS (mname)
ns2.ip-adr.de
Admin Email (rname)
transfer@csa-gmbh.com
Serial
2025082601
Refresh
86400s
Retry
10800s
Expire
3024000s
Minimum TTL
172800s

Nameservers (NS)

ns2.ip-adr.de
ns1.ip-adr.de

SPF Record

✓ Strict (-all)
v=spf1 a:m.ip-adr.de ip4:213.95.167.0/27 -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

1 record
  • SPFv=spf1 a:m.ip-adr.de ip4:213.95.167.0/27 -all
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