Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
christophhaefner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 08:16:12 UTC · ↺ Refresh
MX Hostnames
- mxext2.mailbox.org
- mxext1.mailbox.org
- mxext3.mailbox.org
MX Priorities
- mxext1.mailbox.org: 10
- mxext2.mailbox.org: 20
- mxext3.mailbox.org: 30
A / AAAA Records
- 176.28.15.189 ↩ lvps176-28-15-189.dedicated.hosteurope.de
Mail Server IPs
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
- 80.241.60.215 ↩ mx2.mailbox.org
- 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
- 80.241.60.216 ↩ mx3.mailbox.org
- 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1774145560 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1774145560
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns2.registrar-servers.com
dns1.registrar-servers.com
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 christophhaefner.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits