Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lnb-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 22:20:49 UTC · ↺ Refresh
MX Hostnames
- mail.lnb-gmbh.de
MX Priorities
- mail.lnb-gmbh.de: 10
A / AAAA Records
- 92.205.105.54 ↩ 54.105.205.92.host.secureserver.net
Mail Server IPs
- 92.205.105.54 ↩ 54.105.205.92.host.secureserver.net
SOA Record
Raw SOA
ns1.lnb-gmbh.de hostmaster.online-now.de 2026020501 10800 3600 604800 10800
Primary NS (mname)
ns1.lnb-gmbh.de
Admin Email (rname)
hostmaster@online-now.de
Serial
2026020501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns7.online-now.de
ns9.online-now.de
ns1.lnb-gmbh.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:176.28.54.20 include:secureserver.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- brevo-code:bb6041f16fee6a95f4708ba7f2cdbdc6
- 30.01.2025
- SPFv=spf1 a mx ip4:176.28.54.20 include:secureserver.net ~all
- MS=ms25969207
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 lnb-gmbh.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits