theso.de

Valid Email Server
Domain Lookup › theso.de

Domain Overview

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

Checked via [email protected] · 2026-03-23 00:21:41 UTC · ↺ Refresh

MX Hostnames

  • d325515.a.ess.de.barracudanetworks.com
  • d325515.b.ess.de.barracudanetworks.com

MX Priorities

  • d325515.a.ess.de.barracudanetworks.com: 10
  • d325515.b.ess.de.barracudanetworks.com: 20

A / AAAA Records

  • 217.160.0.131 ↩ 217-160-0-131.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::204 ↩ 2001-08d8-100f-f000-0000-0000-0000-0204.elastic-ssl.ui-r.com

Mail Server IPs

  • 18.185.115.250 ↩ mail.ess.de.barracuda.com
  • 18.185.115.252 ↩ mail.ess.de.barracuda.com
  • 18.185.115.251 ↩ mail.ess.de.barracuda.com

SOA Record

Raw SOA ns1035.ui-dns.biz hostmaster.kundenserver.de 2017010329 28800 7200 604800 300
Primary NS (mname)
ns1035.ui-dns.biz
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017010329
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1035.ui-dns.org
ns1035.ui-dns.de
ns1035.ui-dns.biz
ns1035.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.ess.de.barracudanetworks.com include:_spf.perfora.net include:_spf.kundenserver.de -all
📊 DNS lookups: 4/10
✓ 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 include:spf.ess.de.barracudanetworks.com include:_spf.perfora.net include:_spf.kundenserver.de -all
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