Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fliesen-pfefferle.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 23:03:01 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 85.236.41.205 ↩ mail.msbu.de
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
a.ns14.net info.msbu.de 2025082800 39940 14400 604800 3600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
info@msbu.de
Serial
2025082800
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
a.ns14.net
b.ns14.net
d.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.msbu.de include:spf.hornetsecurity.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- MS=ms41540610
- SPFv=spf1 include:spf.protection.outlook.com include:spf.msbu.de include:spf.hornetsecurity.com -all
- google-site-verification=aiEyU0lZDCRsOn_LiX7jy3llRcWvh85G7ay5X6-DE7c
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 fliesen-pfefferle.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits