Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sternenbaeck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 00:20:30 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 193.111.102.51 ↩ bumueller-backbetriebe.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
ns3.kundenserver.de hostmaster.kundenserver.de 2016022527 28800 7200 604800 300
Primary NS (mname)
ns3.kundenserver.de
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016022527
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns4.kundenserver.de
ns3.kundenserver.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a:k61251.coveto.de include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:spf.sendinblue.com a:k30763.coveto.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
2 records- sendinblue-code:ecb13cd0eed04ffd823b8b68286bff2a
- SPFv=spf1 a:k61251.coveto.de include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:spf.sendinblue.com a:k30763.coveto.de ~all
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