Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
klose-fenster.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:09:06 UTC · ↺ Refresh
MX Hostnames
- mail.klose-fenster.de
MX Priorities
- mail.klose-fenster.de: 10
A / AAAA Records
- 85.13.137.32 ↩ dd16010.kasserver.com
Mail Server IPs
- 87.191.56.58 ↩ mail.klose-fenster.de
SOA Record
Raw SOA
ns3.kasserver.com hostmaster.kasserver.com 2603112340 28800 7200 1209600 7200
Primary NS (mname)
ns3.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603112340
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns3.kasserver.com
ns4.kasserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:kasserver.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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- MS=6E75A307391AB119A0259942E6F30EC9DB7FA7EC
- SPFv=spf1 mx include:kasserver.com ~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 klose-fenster.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits