cohn.de

Valid Email Server
Domain Lookup › cohn.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 15:21:34 UTC · ↺ Refresh

MX Hostnames

  • red2.centaur.de

MX Priorities

  • red2.centaur.de: 10

A / AAAA Records

  • 217.30.50.64 (no PTR)

Mail Server IPs

  • 217.30.50.71 ↩ red2.centaur.de

SOA Record

Raw SOA ns1.centaur-it.net do-not-reply.cohn.de 2025042502 43200 7200 1209600 86400
Primary NS (mname)
ns1.centaur-it.net
Admin Email (rname)
do-not-reply@cohn.de
Serial
2025042502
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.centaur-it.net
ns4.centaur-it.net
ns1.centaur-it.net
ns3.centaur-it.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a include:mx-spf.centaur-mail.de ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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 mx a include:mx-spf.centaur-mail.de ~all
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