oneofftech.de

Email infrastructure report · Last checked

Summary

oneofftech.de uses Self-hosted / Custom for email and has SPF, DKIM, and DMARC configured. It is not catch-all.

Mail provider

ProviderSelf-hosted / Custom self-hosted
Primary MXmail.oneofftech.de

MX records

PriorityHostnameIPs
20mail.oneofftech.de94.130.58.22

Authentication

SPF Present -all
DKIM Found (selectors: dkim)
DMARC Present p=reject
Raw SPF record
v=spf1 mx a:mail.oneofftech.de -all
Raw DMARC record
v=DMARC1; p=reject; rua=mailto:admin@oneofftech.de; ruf=mailto:admin@oneofftech.de; adkim=s; aspf=s

Email behavior

Catch-all No
Disposable No
Free provider No
STARTTLS Supported
SMTP response115ms
SMTP banner220 mail.oneofftech.de ESMTP ready

What this means

This domain has strong email authentication. Messages claiming to come from @oneofftech.de can be cryptographically verified by recipients, making spoofing difficult. Deliverability for legitimate mail should be good.

Refresh this report

Cached results are kept indefinitely. If you think the data above is out of date, run a fresh check below. Refreshes are rate-limited (1 per domain every 5 minutes).

Want to verify individual addresses at oneofftech.de?

CheckMail's API verifies real-time deliverability with SMTP checks, not just DNS lookups. 100 free credits, no credit card required.

Get an API key →
curl https://api.checkmail.dev/v1/verify \
  -G --data-urlencode "email=test@oneofftech.de" \
  -H "Authorization: Bearer cm_live_..."