knsu.de - robtex.com
knsu.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=1784994330 | ||||||
Subdomains
analytics.knsu.de |
mail.knsu.de |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-07-15 → 2026-07-25 · 2 obs
● 2026-07-25 15:49:10
●NScns2.alfahosting.info2015-07-15 → 2026-07-25 · 2 obs
● 2026-07-25 15:49:10
●NScns3.alfahosting.info2015-07-15 → 2026-07-25 · 2 obs
● 2026-07-25 15:49:10
○MXmail.knsu.de2015-07-15 → 2018-10-05 · 4 obs
● 2018-10-05 20:44:40
○ 2026-07-20 11:35:10
○ 2026-07-25 15:49:10
●MXmx03.secure-mailgate.com2026-07-20 → 2026-07-25 · 3 obs
● 2026-07-20 11:35:10
● 2026-07-25 15:49:10
●MXmx04.secure-mailgate.com2026-07-20 → 2026-07-25 · 3 obs
● 2026-07-20 11:35:10
● 2026-07-25 15:49:10
○A109.237.138.262015-07-15 → 2018-10-05 · 4 obs
● 2018-10-05 20:44:40
○ 2026-07-20 11:35:10
○ 2026-07-25 15:49:10
●A5.44.111.122026-07-20 → 2026-07-25 · 3 obs
● 2026-07-20 11:35:10
● 2026-07-25 15:49:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| knsu.de | cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server:148.251.254.105
NS records: cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knsu.de (unsigned zone)
⏱️ Timing
Total: 1829ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.44.111.12 |
| NS | 3 | cns1.alfahosting.info, cns3.alfahosting.info... |
| MX | 2 | mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:secure-mailgate.com |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
knsu.de serves as the parent of analytics.knsu.de and mail.knsu.de.
IP Addresses
knsu.de has exactly one IP address — 5.44.111.12.
analytics.knsu.de, mgv-kleingladenbach.de, kfood.de plus two other host names have IP numbers in common with knsu.de.
Name Servers
DNS for knsu.de is handled by three authoritative name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
At least some of knsu.de's name servers are shared with other domains, for example tv-wolfach.de, bruenn.org, teilwissen.de and two more.
Three hostnames — cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info — each have two IP addresses: cns1.alfahosting.info has 109.237.142.8 and 2a01:64c0:0:5000::8, cns2.alfahosting.info has 148.251.254.105 and 2a01:4f8:2b02:a88::105, and cns3.alfahosting.info has 109.237.143.8 and 2a02:2b80:101:5000::8.
Mail Servers
knsu.de uses two mail servers, mx03.secure-mailgate.com and mx04.secure-mailgate.com.
The mail server setup of knsu.de matches that of other domains such as kaiwessel.com, raupach.biz, toraman.eu and two others.
knsu.de overlaps on mail servers with certain other domains, joomvita.com among them.
mx03.secure-mailgate.com directs to 46.243.88.174 and 46.243.88.176. mx04.secure-mailgate.com directs to 46.243.88.175 and 46.243.88.177. Each host name carries two IP addresses.