kowski.de - dns.ninja
kowski.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.57.116.121🇩🇪 Amazon52.57.0.0/16 EC2 FRA VPC prefix | ||||||
| PTR | ec2-52-57-116-121.eu-central-1.compute.amazonaws.com | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.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.kowski.de ⭐ | ||||||
| A | 78.46.3.33🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | dedi833.your-server.de | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-29 #0 | ||||||
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=1780943110 | ||||||
Subdomains
mail.kowski.de |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-06-27 → 2026-06-08 · 2 obs
● 2026-06-08 18:52:48
●NSrobotns2.second-ns.de2015-06-27 → 2026-06-08 · 2 obs
● 2026-06-08 18:52:48
●NSrobotns3.second-ns.com2015-06-27 → 2026-06-08 · 2 obs
● 2026-06-08 18:52:48
●MXmail.kowski.de2015-06-27 → 2026-06-08 · 2 obs
● 2026-06-08 18:52:48
●A52.57.116.1212026-03-04 → 2026-06-08 · 3 obs
● 2026-03-04 14:24:58
● 2026-06-08 18:52:48
○A78.138.119.512015-06-27 → 2017-05-22 · 4 obs
● 2017-05-22 13:53:40
○ 2026-03-04 14:24:58
○ 2026-06-08 18:52:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| kowski.de | robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kowski.de (unsigned zone)
⏱️ Timing
Total: 1456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.57.116.121 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.kowski.de (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
kowski.de serves as the parent of mail.kowski.de.
IP Addresses
kowski.de points to a single IP number: 52.57.116.121.
Additional host names — mazda-autohaus-komet-herrenberg.de, mazda-autopark-rath-duesseldorf.de, lb.mazda.public.container.avenga.cloud and two others — share IP numbers with kowski.de.
Name Servers
The authoritative name servers for kowski.de are robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — three in total.
kowski.de has at least partial name server overlap with other domains, such as xakobi.de, avensis-forum.de, anno-community.de and two others.
It is common to find these name servers paired with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de and h2911610.stratoserver.net.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de all resolve to exactly two IP numbers apiece: robotns3.second-ns.com → 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de → 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de → 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
kowski.de has one mail server: mail.kowski.de.
mail.kowski.de directs to just one IP number, 78.46.3.33.