Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marburgerbund-lvbb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 10:33:39 UTC · ↺ Refresh
MX Hostnames
- mail.marburgerbund-lvbb.de
MX Priorities
- mail.marburgerbund-lvbb.de: 10
A / AAAA Records
- 213.133.116.74 ↩ srv1.hosting.it-kms.de
Mail Server IPs
- 217.91.215.210 ↩ mail.marburgerbund-lvbb.de
SOA Record
Raw SOA
robotns3.second-ns.com info.marburgerbund-lvbb.de 2025092902 10800 3600 604800 10800
Primary NS (mname)
robotns3.second-ns.com
Admin Email (rname)
info@marburgerbund-lvbb.de
Serial
2025092902
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 +mx +a:marburgerbund-lvbb.de include:spf.brevo.com include:turbo-smtp.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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
3 records- MS=ms86417138
- brevo-code:503f69d08fe511f82ac99dc68fa581d4
- SPFv=spf1 +mx +a:marburgerbund-lvbb.de include:spf.brevo.com include:turbo-smtp.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 marburgerbund-lvbb.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits