Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jkw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 13:56:19 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 5.189.137.23 ↩ web.lutz-aufzuege.de
- 2a02:c207:3002:8176::1 ↩ web.lutz-aufzuege.de
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns.leitwerk.net noc.leitwerk.net 2025112800 28800 7200 604800 86400
Primary NS (mname)
ns.leitwerk.net
Admin Email (rname)
noc@leitwerk.net
Serial
2025112800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.baden.domains
ns.leitwerk.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:87.191.62.198 ip4:87.191.62.197 ip4:217.28.109.197 ip4:217.28.109.198 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms75349167
- SPFv=spf1 a mx include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:87.191.62.198 ip4:87.191.62.197 ip4:217.28.109.197 ip4:217.28.109.198 -all
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