Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lkjbw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 02:57:31 UTC · ↺ Refresh
MX Hostnames
- mail.lkjbw.de
- mail.neokey.email
- mgw.neokey.de
MX Priorities
- mgw.neokey.de: 20
- mail.neokey.email: 10
- mail.lkjbw.de: 5
A / AAAA Records
- 217.160.0.146 ↩ 217-160-0-146.elastic-ssl.ui-r.com
Mail Server IPs
- 213.136.68.4 ↩ mgw.neokey.de
- 5.189.158.188 ↩ mail.neokey.email
- 217.110.17.227 ↩ mail.lkjbw.de
SOA Record
Raw SOA
ns1043.ui-dns.biz hostmaster.1und1.de 2017052483 28800 7200 604800 300
Primary NS (mname)
ns1043.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017052483
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1043.ui-dns.org
ns1043.ui-dns.com
ns1043.ui-dns.biz
ns1043.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com mx a include:neokey.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 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
4 records- google-site-verification=8UiA8Rpr-JcrMWw_FDdT_rkGBLjh2JHjZLDIECRNKCw
- _an8i7h6ysjij574xgyq9p3rjc9pypra
- SPFv=spf1 include:spf.mailjet.com mx a include:neokey.de -all
- MS=05A3F247767D029E916EF7AF14C6BAE268E2DA03
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 lkjbw.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits