aachen.ccc.de

Valid Email Server
Domain Lookup › aachen.ccc.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
aachen.ccc.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 16:15:47 UTC · ↺ Refresh

MX Hostnames

  • mail.server.aachen.ccc.de

MX Priorities

  • mail.server.aachen.ccc.de: 10

A / AAAA Records

  • 185.248.142.186 (no PTR)
  • 2a0a:51c0:1::5 (no PTR)

Mail Server IPs

  • 185.248.142.183 ↩ mail.server.aachen.ccc.de
  • 2a0a:51c0:1::7 ↩ mail.server.aachen.ccc.de

SOA Record

Raw SOA ns1.ccc.ac admins.aachen.ccc.de 1770588115 86400 7200 3600000 86400
Primary NS (mname)
ns1.ccc.ac
Admin Email (rname)
admins@aachen.ccc.de
Serial
1770588115
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns1.ccc.ac
ns2.ccc.ac

SPF Record

✓ Strict (-all)
v=spf1 mx a -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

✗ 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 -all
Full email verification for aachen.ccc.de

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