kupbig.de

Valid Email Server
Domain Lookup › kupbig.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 10:13:09 UTC · ↺ Refresh

MX Hostnames

  • minas-tirith.sturmlan.net

MX Priorities

  • minas-tirith.sturmlan.net: 10

A / AAAA Records

  • 188.40.158.113 ↩ minas-tirith.sturmlan.net

Mail Server IPs

  • 188.40.158.113 ↩ minas-tirith.sturmlan.net

SOA Record

Raw SOA launch1.spaceship.net support.spaceship.com 1773745335 43200 3600 604800 3600
Primary NS (mname)
launch1.spaceship.net
Admin Email (rname)
support@spaceship.com
Serial
1773745335
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

launch1.spaceship.net
launch2.spaceship.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:_spf.sturmlan.net ~all
📊 DNS lookups: 3/10
~ 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 include:_spf.sturmlan.net ~all
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