Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gse-essen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 16:34:45 UTC · ↺ Refresh
MX Hostnames
- mail.vtserver.de
MX Priorities
- mail.vtserver.de: 10
A / AAAA Records
- 195.244.248.4 ↩ web01.vtserver.de
Mail Server IPs
- 195.244.248.17 ↩ mail.vtserver.de
SOA Record
Raw SOA
ns01.versatel.de hostmaster.versatel.de 2025091600 86400 28800 3600000 86400
Primary NS (mname)
ns01.versatel.de
Admin Email (rname)
hostmaster@versatel.de
Serial
2025091600
Refresh
86400s
Retry
28800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns03.versatel.de
ns01.versatel.de
ns02.versatel.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mail.gsewfbm1.de a:wfbmex01.gsewfbm1.de a:wfbmex2.gsewfbm1.de mx:mail.gsewfbm1.de ip4:212.80.240.34 include:spf.vtserver.de ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
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
4 records- apple-domain-verification=2JlrGbOLxx6TcYK7
- cisco-ci-domain-verification=5228d34e81a1e27e3260913eb159dc4c3e71441f9f3c705a434f68609f511e7e
- SPFv=spf1 a mx a:mail.gsewfbm1.de a:wfbmex01.gsewfbm1.de a:wfbmex2.gsewfbm1.de mx:mail.gsewfbm1.de ip4:212.80.240.34 include:spf.vtserver.de ~all
- 3lkdhcccpzh1w6s1ns42tjcq5313s7ny
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 gse-essen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits