Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
staub-silbermann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 14:08:05 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 52.59.15.34 ↩ stockmeier.louis.info
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
ns1.louis.info hostmaster.louis.info 2018030452 28800 1800 604800 86400
Primary NS (mname)
ns1.louis.info
Admin Email (rname)
hostmaster@louis.info
Serial
2018030452
Refresh
28800s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.louis.info
ns3.louis.info
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:178.208.117.178 ip4:212.100.42.108 ip4:178.208.117.183 ip4:178.208.117.180 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.hornetsecurity.com a:stockmeier-chemie.managed-otrs.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 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
4 records- knowbe4-site-verification=944a910dc6115507afe57d657e0369b0
- MS=ms83402177
- asv_domain=efa9b3384da68f7a37acd1a116ee3736
- SPFv=spf1 ip4:178.208.117.178 ip4:212.100.42.108 ip4:178.208.117.183 ip4:178.208.117.180 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.hornetsecurity.com a:stockmeier-chemie.managed-otrs.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 staub-silbermann.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits