Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fsp-stahlbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:34:30 UTC · ↺ Refresh
MX Hostnames
- mx1.bluechip-cloud.de
- mx2.bluechip-cloud.de
MX Priorities
- mx2.bluechip-cloud.de: 10
- mx1.bluechip-cloud.de: 10
A / AAAA Records
- 5.175.14.38 ↩ wp516.webpack.hosteurope.de
- 2a01:488:42:1000:50ed:859c:ffd5:dc6a (no PTR)
Mail Server IPs
- 185.228.8.21 ↩ mx2.bluechip-cloud.de
- 185.228.8.20 ↩ mx1.bluechip-cloud.de
SOA Record
Raw SOA
ns53.domaincontrol.com dns.jomax.net 2024101701 28800 7200 604800 600
Primary NS (mname)
ns53.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024101701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns54.domaincontrol.com
ns53.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.bluechip-cloud.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- 3k5o38beimgrrril36c7hs3osh
- SPFv=spf1 mx a include:spf.bluechip-cloud.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 fsp-stahlbau.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits