Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
3eck-bielefeld.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:05:28 UTC · ↺ Refresh
MX Hostnames
- mail4.dawesys.de
MX Priorities
- mail4.dawesys.de: 10
A / AAAA Records
- 185.215.158.240 (no PTR)
Mail Server IPs
- 83.138.86.192 ↩ mail4.dawesys.de
SOA Record
Raw SOA
nsa9.schlundtech.de info.dawesys.de 2023112803 43200 7200 1209600 86400
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
info@dawesys.de
Serial
2023112803
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsd9.schlundtech.de
nsb9.schlundtech.de
nsc9.schlundtech.de
nsa9.schlundtech.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- domainVerification=b47af664-09c9-4919-ac6f-17786f815dd7
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for 3eck-bielefeld.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits