bigredzebra.de

Valid Email Server
Domain Lookup › bigredzebra.de

Domain Overview

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

Checked via [email protected] · 2026-04-03 07:05:49 UTC · ↺ Refresh

MX Hostnames

  • mail.sharpmind.de

MX Priorities

  • mail.sharpmind.de: 10

A / AAAA Records

  • 84.200.5.3 ↩ www.sharpmind.de

Mail Server IPs

  • 84.200.5.6 ↩ mail.sharpmind.de

SOA Record

Raw SOA ns.checkdomain.de is.sharpmind.de 2019030201 40000 7200 604800 180
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
is@sharpmind.de
Serial
2019030201
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
180s

Nameservers (NS)

ns2.checkdomain.de
ns.checkdomain.de

SPF Record

✓ Strict (-all)
v=spf1 a mx -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 a mx -all
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