Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hbk-dethleffsen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 18:17:27 UTC · ↺ Refresh
MX Hostnames
- mail1.hbk-dethleffsen.de
MX Priorities
- mail1.hbk-dethleffsen.de: 10
A / AAAA Records
- 92.204.58.15 ↩ fullhaus.eu
Mail Server IPs
- 185.249.118.12 ↩ mail1.hbk-dethleffsen.de
SOA Record
Raw SOA
ns1.addix.de mle.hbk-dethleffsen.de 2025121527 10800 3600 604800 10800
Primary NS (mname)
ns1.addix.de
Admin Email (rname)
mle@hbk-dethleffsen.de
Serial
2025121527
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns2.addix.de
ns1.addix.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.crsend.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- _globalsign-domain-verification=11ZgOtvix1-HkOFfyIlAzdI6eQmThZ8dUHh0VHfazO
- MS=ms37488393
- SPFv=spf1 mx include:spf.crsend.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 hbk-dethleffsen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits