Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
l3h.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 02:37:27 UTC · ↺ Refresh
MX Hostnames
- denny.l3h.de
MX Priorities
- denny.l3h.de: 10
A / AAAA Records
- 212.201.68.142 (no PTR)
- 2a00:5ba0:8000:64:202:b3ff:fee9:8a3c ↩ nemo.42h.de
Mail Server IPs
- 116.203.250.175 ↩ denny.l3h.de
- 2a01:4f8:c17:5dfe::1 ↩ denny.l3h.de
SOA Record
Raw SOA
l3h.de hostmaster.42h.de 2020021806 10800 3600 604800 3600
Primary NS (mname)
l3h.de
Admin Email (rname)
hostmaster@42h.de
Serial
2020021806
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.42h.de
ns.l3h.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- google-site-verification=GDQAjb91me9kS_wmFW0qWWLYpKZUATsO_UP9rhNpm40
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 l3h.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits