Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lbb-bayern.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 19:08:11 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 185.227.115.186 (no PTR)
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1772627752 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1772627752
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.de
ns01.agenturserver.co
ns01.agenturserver.it
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:agenturserver.de include:spf.brevo.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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- SPFv=spf1 mx include:spf.protection.outlook.com include:spf.hornetsecurity.com include:agenturserver.de include:spf.brevo.com -all
- MS=ms89051299
- brevo-code:a8be9aeda2bdf8ec2c83c01d21f64fbf
Full email verification for lbb-bayern.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits