codeschau.de - dns.ninja
codeschau.de
| DNSSEC | ⚠️ Not signed | ||||||
| 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.codeschau.com ⭐ | ||||||
| A | 2a01:4f8:272:5b06::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 23.88.70.179🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC | ||||||
| PTR | mail.codeschau.com | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-13 #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=1785102225 | ||||||
Subdomains
mail.codeschau.de |
Same first word
codeschau.com |
codeschau.de |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.first-ns.de2026-02-14 → 2026-07-26 · 2 obs
● 2026-07-26 21:54:06
●NSrobotns2.second-ns.de2026-02-14 → 2026-07-26 · 2 obs
● 2026-07-26 21:54:06
●NSrobotns3.second-ns.com2026-02-14 → 2026-07-26 · 2 obs
● 2026-07-26 21:54:06
●MXmail.codeschau.com2026-02-14 → 2026-07-26 · 2 obs
● 2026-07-26 21:54:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| codeschau.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codeschau.de (unsigned zone)
⏱️ Timing
Total: 1148ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.codeschau.com (pri: 10) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
codeschau.de is a parent domain of mail.codeschau.de.
Name Servers
codeschau.de carries NS records delegating to robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
codeschau.de shares at least some of its name servers with other domains, including coremanager.de, startticket.de, mocket.de and two others.
These name servers are frequently paired with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de are three hostnames that each resolve to a pair of IP addresses: robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
codeschau.de has one mail server: mail.codeschau.com.
codeschau.de shares its mail server configuration with other domains such as codeschau.com, shoptags.de and stefankanitz.de.
mail.codeschau.com points to two IP addresses: 23.88.70.179 and 2a01:4f8:272:5b06::2.