Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarzt-weiden.koeln
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 05:07:28 UTC · ↺ Refresh
MX Hostnames
- dmx1.netcologne.de
- dmx2.netcologne.de
MX Priorities
- dmx1.netcologne.de: 10
- dmx2.netcologne.de: 10
A / AAAA Records
- 92.204.208.197 ↩ 197.208.204.92.host.secureserver.net
Mail Server IPs
- 89.1.8.241 ↩ dmx1.netcologne.de
- 2001:4dd0:100:1062:25:d::1 ↩ dmx1.netcologne.de
- 89.1.8.242 ↩ dmx2.netcologne.de
- 2001:4dd0:100:1062:25:d::2 ↩ dmx2.netcologne.de
SOA Record
Raw SOA
dns11.netcologne.de hostmaster.netcologne.de 2026010602 28800 7200 604800 3600
Primary NS (mname)
dns11.netcologne.de
Admin Email (rname)
hostmaster@netcologne.de
Serial
2026010602
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns13.netcologne.de
dns11.netcologne.de
dns14.netcologne.de
dns12.netcologne.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf.netcologne.de ~all
📊 DNS lookups: 2/10
~ 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
2 records- SPFv=spf1 mx include:_spf.netcologne.de ~all
- google-site-verification=kTum6-QF7T8ZW1KcjUrZO91oxvcx5jEKVK9MnN-OBNY
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 zahnarzt-weiden.koeln
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits