Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fliesen-schulte.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:19:38 UTC · ↺ Refresh
MX Hostnames
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 185.175.196.40 (no PTR)
- 2a00:1c98:60:1060::29f0:5fb8 (no PTR)
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns1.raidboxes.net hostmaster.raidboxes.net 2025082509 43200 7200 1209600 86400
Primary NS (mname)
ns1.raidboxes.net
Admin Email (rname)
hostmaster@raidboxes.net
Serial
2025082509
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.raidboxes.net
ns3.raidboxes.net
ns4.raidboxes.net
ns1.raidboxes.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:icloud.com include:_spf.boxes-mail.raidboxes.io include:spf-de.emailsignatures365.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms62715964
- SPFv=spf1 a mx include:icloud.com include:_spf.boxes-mail.raidboxes.io include:spf-de.emailsignatures365.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
- google-site-verification=NgeCPobV8bYl47ktHIclnUXd0QlgPyC23Oo5jJlxnOA
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 fliesen-schulte.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits