koosys.de - robtex.com
koosys.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1776158600 | ||||||
Same first word
koosys.de |
Similar names
DNS History
9 records (9 active, 0 former)
●NSroot-dns.netcup.net2026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●NSsecond-dns.netcup.net2026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●NSthird-dns.netcup.net2026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●MXmx01.hornetsecurity.com2026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●MXmx02.hornetsecurity.com2026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●MXmx03.hornetsecurity.com2026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●MXmx04.hornetsecurity.com2026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●A2a03:4000:30:bd59::14:91722026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
●A91.204.46.1812026-03-30 → 2026-04-14 · 2 obs
● 2026-04-14 09:26:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| koosys.de | second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koosys.de (unsigned zone)
⏱️ Timing
Total: 1121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.46.181 |
| AAAA | 1 | 2a03:4000:30:bd59::14:9172 |
| NS | 3 | root-dns.netcup.net, third-dns.netcup.net... |
| MX | 4 | mx03.hornetsecurity.com (pri: 30), mx04.hornetsecurity.com (pri: 40)... |
| TXT | 3 | v=spf1 include:spf.hornetsecurity.com ~a, MS=ms27033416... |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
IP Addresses
koosys.de points to two IP numbers: 2a03:4000:30:bd59::14:9172 and 91.204.46.181.
Other host names, for instance kreativiert-euch.com, kreativiert-euch.de, mailer.handsche.net, fdhrsm.de and mail.total-creativity.de share IP numbers with koosys.de.
Name Servers
koosys.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
koosys.de at least partially shares its name servers with other domains, for instance kirax.eu, everlock.us, kirchhoff-edv-service.de, leif-gmbh.de and balido.de.
Host names with two IP numbers:
root-dns.netcup.net points to: 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to: 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to: 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
koosys.de is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.
koosys.de shares some mail servers with other domains, including netz-ohz.de, paletti-park.de, ferox-zaun.at, shiftx.eu and heckert-solar.com.
Host names with one IP number: mx01.hornetsecurity.com points to 94.100.132.8; mx02.hornetsecurity.com points to 94.100.136.8; mx03.hornetsecurity.com points to 94.100.134.8; mx04.hornetsecurity.com points to 94.100.136.7.