Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
orthopaedie-kerling.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 08:30:10 UTC · ↺ Refresh
MX Hostnames
- mxext1.mailbox.org
- mxext3.mailbox.org
- mxext2.mailbox.org
MX Priorities
- mxext1.mailbox.org: 10
- mxext3.mailbox.org: 30
- mxext2.mailbox.org: 20
A / AAAA Records
- 185.175.199.17 (no PTR)
- 2a00:1c98:60:1190::8c7d:6731 (no PTR)
Mail Server IPs
- 80.241.60.212 ↩ mx1.mailbox.org
- 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
- 80.241.60.216 ↩ mx3.mailbox.org
- 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org
- 80.241.60.215 ↩ mx2.mailbox.org
- 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
SOA Record
Raw SOA
ns1.raidboxes.net hostmaster.raidboxes.net 2024111007 43200 7200 1209600 86400
Primary NS (mname)
ns1.raidboxes.net
Admin Email (rname)
hostmaster@raidboxes.net
Serial
2024111007
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.raidboxes.net
ns4.raidboxes.net
ns3.raidboxes.net
ns2.raidboxes.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailbox.org include:_spf.boxes-mail.raidboxes.io ~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
1 record- SPFv=spf1 include:mailbox.org include:_spf.boxes-mail.raidboxes.io ~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 orthopaedie-kerling.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits