Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lutz-rae.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 10:15:27 UTC · ↺ Refresh
MX Hostnames
- mxlb.ispgateway.de
MX Priorities
- mxlb.ispgateway.de: 100
A / AAAA Records
- 92.205.197.238 ↩ mc23562.ispgateway.de
- 2a00:116a:100:210:: ↩ mc23562.ispgateway.de
Mail Server IPs
- 80.67.18.126 ↩ mxlb.ispgateway.de
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026030305 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030305
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns81.domaincontrol.com
ns82.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:ispgateway.de ~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
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=BAdUg2tT1qbYbm-EhVXJkDOlAa5yYd5ZTV6iXyJWuCI
- SPFv=spf1 mx a include:ispgateway.de ~all
- brevo-code:239286fdb7e12a664e9124ff0c2a2b04
- google-site-verification=w_W_8NDGjYym_xlGo5Fm2ou5KRVNZAHrvLmTHyB5beE
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 lutz-rae.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits