csec.de

Valid Email Server
Domain Lookup › csec.de

Domain Overview

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

Checked via [email protected] · 2026-04-04 14:18:59 UTC · ↺ Refresh

MX Hostnames

  • mx0.frizz.net

MX Priorities

  • mx0.frizz.net: 10

A / AAAA Records

  • 85.214.104.162 ↩ mx0.frizz.net

Mail Server IPs

  • 85.214.104.162 ↩ mx0.frizz.net
  • 2a01:238:42cd::4be7:4eb2:c4a7:8464 ↩ mx0.frizz.net

SOA Record

Raw SOA a1.q1c.org hostmaster.csec.de 20220202 10800 7200 3024000 3600
Primary NS (mname)
a1.q1c.org
Admin Email (rname)
hostmaster@csec.de
Serial
20220202
Refresh
10800s
Retry
7200s
Expire
3024000s
Minimum TTL
3600s

Nameservers (NS)

a2.q1c.org
a3.q1c.org
a1.q1c.org

SPF Record

✓ Strict (-all)
v=spf1 mx a:howler.frizz.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=reject; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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 mx a:howler.frizz.net -all
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