Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nolden-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 23:00:46 UTC · ↺ Refresh
MX Hostnames
- mx3.onoffice.de
- mx2.onoffice.de
- mx1.onoffice.de
MX Priorities
- mx2.onoffice.de: 10
- mx3.onoffice.de: 10
- mx1.onoffice.de: 10
A / AAAA Records
- 78.46.2.4 ↩ www656.your-server.de
Mail Server IPs
- 95.130.253.71 ↩ mx2.onoffice.de
- 95.130.253.56 ↩ mx3.onoffice.de
- 95.130.253.60 ↩ mx1.onoffice.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026010900 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026010900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.onoffice.de ~all
📊 DNS lookups: 1/10
~ 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
1 record- SPFv=spf1 include:_spf.onoffice.de ~all
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 nolden-immobilien.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits