duttke.de

Valid Email Server
Domain Lookup › duttke.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 18:53:57 UTC · ↺ Refresh

MX Hostnames

  • spahr.uberspace.de

MX Priorities

  • spahr.uberspace.de: 10

A / AAAA Records

  • 104.21.2.212 (no PTR)
  • 172.67.129.180 (no PTR)
  • 2606:4700:3037::6815:2d4 (no PTR)
  • 2606:4700:3037::ac43:81b4 (no PTR)

Mail Server IPs

  • 185.26.156.206 ↩ spahr.uberspace.de
  • 2a00:d0c0:200::b9:1a:9c:a0 ↩ spahr.uberspace.de

SOA Record

Raw SOA arturo.ns.cloudflare.com dns.cloudflare.com 2400006721 10000 2400 604800 1800
Primary NS (mname)
arturo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400006721
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

arturo.ns.cloudflare.com
cortney.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.uberspace.de ~all
📊 DNS lookups: 1/10
~ 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

3 records
  • SPFv=spf1 include:spf.uberspace.de ~all
  • brave-ledger-verification=55fa59689f7273abe7a400de4fba7f89468edbd676625ad587d58f41259f6b73
  • google-site-verification=ARhEyyw7lgXF8Ndr8ogXBBBX8FVllvyIOm8gx0pH6cs
Full email verification for duttke.de

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