Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
feuerwehr-unna.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 17:09:52 UTC · ↺ Refresh
MX Hostnames
- www.feuerwehr-unna.de
- mx1337.helimail.de
MX Priorities
- mx1337.helimail.de: 200
- www.feuerwehr-unna.de: 10
A / AAAA Records
- 212.37.49.76 ↩ 76.kreis-unna.de
Mail Server IPs
- 194.104.114.52 ↩ mx1337.helimail.de
- 2a06:1c0::9:0:0:0:4 ↩ mx1337.helimail.de
- 212.37.49.76 ↩ 76.kreis-unna.de
SOA Record
Raw SOA
dns1.helinet.de hostmaster.helinet.de 2012012600 28800 7200 604800 172800
Primary NS (mname)
dns1.helinet.de
Admin Email (rname)
hostmaster@helinet.de
Serial
2012012600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
172800s
Nameservers (NS)
secondary.hamcom.de
dns1.helinet.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
No TXT records found.
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 · Customize →
See demo & docs
Deep verification
Full email verification for feuerwehr-unna.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits