Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarztpraxis-masoumi.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:41:14 UTC · ↺ Refresh
MX Hostnames
- mail.zahnarztpraxis-masoumi.de
MX Priorities
- mail.zahnarztpraxis-masoumi.de: 10
A / AAAA Records
- 144.76.236.26 ↩ kdn.clever-zoeger.de
- 2a01:4f8:201:11c2::2 ↩ kdn.clever-zoeger.de
Mail Server IPs
- 144.76.236.26 ↩ kdn.clever-zoeger.de
SOA Record
Raw SOA
nsa7.schlundtech.de do-not-reply.zahnarztpraxis-masoumi.de 2025050703 43200 7200 1209600 86400
Primary NS (mname)
nsa7.schlundtech.de
Admin Email (rname)
do-not-reply@zahnarztpraxis-masoumi.de
Serial
2025050703
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa7.schlundtech.de
nsd7.schlundtech.de
nsb7.schlundtech.de
nsc7.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:kdn.clever-zoeger.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:kdn.clever-zoeger.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 · Customize →
See demo & docs
Deep verification
Full email verification for zahnarztpraxis-masoumi.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits