kernelconcepts.de - dns.ninja
kernelconcepts.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.9.102.236🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | static.5-9-102-236.clients.your-server.de | ||||||
| NS | dns.kernelconcepts.de ⭐ | ||||||
| A | 188.40.83.200🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| PTR | mail.kernelconcepts.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.kernelconcepts.de ⭐ | ||||||
| A | 188.40.83.200🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| PTR | mail.kernelconcepts.de | ||||||
| TXT | google-site-verification=0yGv-kCudhDib_oJ3QK4hIgYDqa2xn7SGWzXU14j7vk | ||||||
| TXT | google-site-verification=Epx75QVCaz1pHEB8u_PBPGInKHHPmE9Ed7iV928Jg7E | ||||||
| TXT | google-site-verification=ih7E9091XGdr7jpowZkha_t3vz3trhPqtGKNXd55kZ8 | ||||||
| TXT | v=spf1 mx ~all | ||||||
| TXT | kernel concepts, Germany | ||||||
| SOA | dns.kernelconcepts.deroot@dns.kernelconcepts.de 2025-11-27 #1 | ||||||
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=1786363328 | ||||||
rank #28216 in the tld
WOT: SAFE (78/100)
Subdomains
mail.kernelconcepts.de |
cloud.kernelconcepts.de |
unixag.kernelconcepts.de |
www.kernelconcepts.de |
dns.kernelconcepts.de |
mucross.kernelconcepts.de |
chat.kernelconcepts.de |
gitlabrunner.kernelconcepts.de |
Same first word
kernelconcepts.de |
DNS History
8 records (5 active, 3 former)
●NSdns.kernelconcepts.de2015-06-13 → 2026-08-10 · 3 obs
● 2015-06-13 12:42:38
● 2026-08-10 12:07:06
○NSns01.qsc.de2017-08-08 → 2017-08-08 · 4 obs
● 2017-08-08 18:09:56
○ 2026-03-17 13:00:48
○ 2026-08-10 12:07:06
○NSns02.qsc.de2017-08-08 → 2017-08-08 · 4 obs
● 2017-08-08 18:09:56
○ 2026-03-17 13:00:48
○ 2026-08-10 12:07:06
●NSrobotns2.second-ns.de2026-03-17 → 2026-08-10 · 3 obs
● 2026-03-17 13:00:48
● 2026-08-10 12:07:06
●NSrobotns3.second-ns.com2026-03-17 → 2026-08-10 · 3 obs
● 2026-03-17 13:00:48
● 2026-08-10 12:07:06
●MXmail.kernelconcepts.de2015-06-13 → 2026-08-10 · 3 obs
● 2015-06-13 12:42:38
● 2026-08-10 12:07:06
●A5.9.102.2362026-03-17 → 2026-08-10 · 3 obs
● 2026-03-17 13:00:48
● 2026-08-10 12:07:06
○A78.46.63.802015-06-13 → 2017-08-08 · 5 obs
● 2015-06-13 12:42:38
● 2017-08-08 18:09:56
○ 2026-03-17 13:00:48
○ 2026-08-10 12:07:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| kernelconcepts.de | robotns2.second-ns.de, robotns3.second-ns.com, dns.kernelconcepts.de | 1 record |
✅ Authoritative Response
Server:213.133.100.103
NS records: robotns2.second-ns.de, robotns3.second-ns.com, dns.kernelconcepts.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kernelconcepts.de (unsigned zone)
⏱️ Timing
Total: 1901ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.9.102.236 |
| NS | 3 | dns.kernelconcepts.de, robotns2.second-ns.de... |
| MX | 1 | mail.kernelconcepts.de (pri: 10) |
| TXT | 5 | google-site-verification=ih7E9091XGdr7jp, v=spf1 mx ~all... |
| SOA | 1 | dns.kernelconcepts.de root.dns.kernelcon |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (dns.kernelconcepts.de)
Analysis
Hierarchy
Among the subdomains of kernelconcepts.de are mail.kernelconcepts.de, cloud.kernelconcepts.de, unixag.kernelconcepts.de, www.kernelconcepts.de, dns.kernelconcepts.de and a few other host names.
IP Addresses
kernelconcepts.de points to a single IP number: 5.9.102.236.
Additional host names — mucross.com, mucross.kernelconcepts.de, mucross.kernel-concepts.de and two others — share IP numbers with kernelconcepts.de.
Name Servers
The authoritative name servers for kernelconcepts.de are robotns3.second-ns.com, dns.kernelconcepts.de and robotns2.second-ns.de — three in total.
There is at least partial name server overlap between kernelconcepts.de and other domains — ityou-werkstatt.de, keineintritt.com, rubenpetersen.com and two more among them.
These name servers tend to appear in combination with the name servers ns1.first-ns.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
Host names with two IP numbers:
robotns3.second-ns.com directs traffic to 193.47.99.3 and 2001:67c:192c::add:a3.
robotns2.second-ns.de directs traffic to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Host names pointing to a single IP address:
dns.kernelconcepts.de has the IP address 188.40.83.200.
Mail Servers
kernelconcepts.de has one mail server: mail.kernelconcepts.de.
mail.kernelconcepts.de directs to just one IP number, 188.40.83.200.