andreas-krupp.de

Valid Email Server
Domain Lookup › andreas-krupp.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
andreas-krupp.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 15:59:26 UTC · ↺ Refresh

MX Hostnames

  • mail031.webhosting.manitu.net

MX Priorities

  • mail031.webhosting.manitu.net: 10

A / AAAA Records

  • 89.238.73.7 ↩ ngcobalt307.manitu.net
  • 2a00:1828:3000::1:3d9c:2 (no PTR)

Mail Server IPs

  • 89.238.86.31 ↩ mail031.webhosting.manitu.net
  • 2a00:1828:1000:3031::2 ↩ mail031.webhosting.manitu.net

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2021020907 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2021020907
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.net
ns.udag.org
ns.udag.de

SPF Record

✓ Strict (-all)
v=spf1 mx a include:_spf.manitu.net -all
📊 DNS lookups: 3/10
✓ 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 include:_spf.manitu.net -all
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