code.school - dns.ninja
code.school
| DNSSEC | ⚠️ Not signed | ||||||
| A | 188.40.112.168🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| PTR | shared01.scalingtechnologies.net | ||||||
| NS | ns1-eu.123ns.eu ⭐ | ||||||
| A | 2001:8d8:1801:71::1🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910 | ||||||
| A | 82.165.64.26🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4 | ||||||
| NS | ns2-eu.123ns.de | ||||||
| A | 2a01:4f8:171:1c61::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns2-eu.123ns.eu | ||||||
| A | 136.243.153.243🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | ns2-eu.123ns.eu | ||||||
| NS | ns3-eu.123ns.eu | ||||||
| A | 81.92.4.138🇩🇪 TAL-DE81.92.0.0/20 TAL.DE Klaus Internet Service GmbH | ||||||
| PTR | ns3-eu.123ns.eu | ||||||
| NS | ns4-eu.123ns.de | ||||||
| A | 2a01:239:0:c9::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de | ||||||
| PTR | ns4-eu.123ns.eu | ||||||
| A | 85.215.121.239🇩🇪 IONOS-AS85.215.96.0/19 IONOS SE ber.de | ||||||
| PTR | ns4-eu.123ns.eu | ||||||
| MX | scalingmail.com ⭐ | ||||||
| A | 188.40.112.167🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| PTR | scalingmail.com | ||||||
| SOA | ns1-eu.123ns.euhostmaster@123ns.eu 2015-05-29 #28 | ||||||
school
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.school ⭐ | ||||||
| NS | v0n1.nic.school | ||||||
| NS | v0n2.nic.school | ||||||
| NS | v0n3.nic.school | ||||||
| NS | v2n0.nic.school | ||||||
| NS | v2n1.nic.school | ||||||
| SOA | v0n0.nic.schoolhostmaster@donuts.email serial=1780534037 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●MXscalingmail.com2016-12-10 → 2026-06-04 · 2 obs
● 2026-06-04 01:20:18
●A188.40.112.1682016-12-10 → 2026-06-04 · 2 obs
● 2026-06-04 01:20:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v2n0.nic.school, v0n1.nic.school, v0n0.nic.school, v0n2.nic.school... | 12 records |
| code.school | ns4-eu.123ns.de, ns3-eu.123ns.eu, ns1-eu.123ns.eu, ns2-eu.123ns.de | - |
✅ Authoritative Response
Server:85.215.121.239
NS records: ns4-eu.123ns.de, ns3-eu.123ns.eu, ns1-eu.123ns.eu, ns2-eu.123ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for code.school (unsigned zone)
⏱️ Timing
Total: 967ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.40.112.168 |
| NS | 4 | ns3-eu.123ns.eu, ns1-eu.123ns.eu... |
| MX | 1 | scalingmail.com (pri: 100) |
| SOA | 1 | ns1-eu.123ns.eu hostmaster.123ns.eu |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.school, v0n1.nic.school, v0n2.nic.school...)
Analysis
IP Addresses
code.school has exactly one IP address — 188.40.112.168.
mail.mailz.de, code.institute, www.thomasbachem.com plus two other host names have IP numbers in common with code.school.
Name Servers
code.school delegates DNS authority to 4 name servers — ns2-eu.123ns.de, ns4-eu.123ns.de, ns1-eu.123ns.eu and ns3-eu.123ns.eu.
code.school has at least partial name server overlap with other domains, such as pontoonsolutions.com, firstprint.com.py, adecco.cm and two others.
These name servers tend to appear together with the name servers dns1.lkw-walter.com, ns.iml.fhg.de and ns.domainwings.eu.
Host names pointing to two IP addresses:
ns2-eu.123ns.de resolves to 136.243.153.243 and 2a01:4f8:171:1c61::2.
ns4-eu.123ns.de resolves to 85.215.121.239 and 2a01:239:0:c9::1.
ns1-eu.123ns.eu resolves to 82.165.64.26 and 2001:8d8:1801:71::1.
Host names with one IP number:
ns3-eu.123ns.eu resolves to 81.92.4.138.
Mail Servers
code.school uses one mail server — scalingmail.com.
The mail server setup of code.school matches that of other domains such as detlevtrapp.com, ehealthblog.de, mailz.de and two others.
The mail servers of code.school are at least partially shared with other domains, including hevert-foundation.net.
scalingmail.com points to one IP number — 188.40.112.167.