Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gefo-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 13:14:28 UTC · ↺ Refresh
MX Hostnames
- mail.wiotec.com
MX Priorities
- mail.wiotec.com: 10
A / AAAA Records
- 212.63.130.178 ↩ win17.serviceprovider.de
Mail Server IPs
- 212.63.130.178 ↩ win17.serviceprovider.de
SOA Record
Raw SOA
ns12.nameserver.de dnsmaster.ns12.nameserver.de 2025092200 10000 1800 604800 3600
Primary NS (mname)
ns12.nameserver.de
Admin Email (rname)
dnsmaster@ns12.nameserver.de
Serial
2025092200
Refresh
10000s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns12.nameserver.de
ns11.nameserver.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
See demo & docs
Deep verification
Full email verification for gefo-gmbh.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits