codebase.cz - dns.ninja
codebase.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1528:240::29🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | scimitar.blueboard.cz | ||||||
| A | 217.11.249.145🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT | ||||||
| NS | shinzon.blueboard.cz ⭐ | ||||||
| A | 2a00:1ed0:45::b🇨🇿 VSHOSTING2a00:1ed0::/32 | ||||||
| PTR | shinzon.blueboard.cz | ||||||
| A | 178.251.187.7🇨🇿 VSHOSTING178.251.184.0/21 | ||||||
| PTR | shinzon.blueboard.cz | ||||||
| NS | jaguar.blueboard.cz ⚠️ Not in zone NS records | ||||||
| A | 2a00:1ed0:45::c🇨🇿 VSHOSTING2a00:1ed0::/32 | ||||||
| PTR | jaguar.blueboard.cz | ||||||
| A | 178.251.187.8🇨🇿 VSHOSTING178.251.184.0/21 | ||||||
| PTR | jaguar.blueboard.cz | ||||||
| NS | ns2.blueboard.cz | ||||||
| A | 2a01:4f8:13b:8d4::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 195.201.57.122🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC | ||||||
| PTR | ns2.blueboard.cz | ||||||
| MX | mx.blueboard.cz ⭐ | ||||||
| A | 2001:1528:240::ca🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | mx.blueboard.cz | ||||||
| A | 81.0.209.130🇨🇿 CASABLANCA-AS81.0.208.0/23 Casablanca INT | ||||||
| PTR | mx.blueboard.cz | ||||||
| TXT | v=spf1 a mx include:spf.blueboard.cz -all | ||||||
| SOA | shinzon.blueboard.czhostmaster@blueboard.cz serial=2024013493 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1790516846 | ||||||
Same first word
Similar names
Previous names
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DNS History
6 records (6 active, 0 former)
●NSjaguar.blueboard.cz2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 14:12:42
●NSns2.blueboard.cz2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 14:12:42
●NSshinzon.blueboard.cz2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 14:12:42
●MXmx.blueboard.cz2026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 14:12:42
●A2001:1528:240::292026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 14:12:42
●A217.11.249.1452026-09-26 → 2026-09-27 · 2 obs
● 2026-09-27 14:12:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| codebase.cz | ns2.blueboard.cz, jaguar.blueboard.cz, shinzon.blueboard.cz | 3 records |
✅ Authoritative Response
Server:178.251.187.7
NS records: ns2.blueboard.cz, jaguar.blueboard.cz, shinzon.blueboard.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1198ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.11.249.145 |
| AAAA | 1 | 2001:1528:240::29 |
| NS | 2 | ns2.blueboard.cz, shinzon.blueboard.cz |
| MX | 1 | mx.blueboard.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.blueboard.cz -al |
| SOA | 1 | shinzon.blueboard.cz hostmaster.blueboar |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns2.blueboard.cz, jaguar.blueboard.cz, shinzon.blueboard.cz)
Analysis
IP Addresses
codebase.cz points to the IP addresses 217.11.249.145 and 2001:1528:240::29
Two other host names, along with martinknor.cz, sunmarketing.cz and jirrmo.cz, also share IP numbers with codebase.cz.
Name Servers
DNS for codebase.cz is handled by three authoritative name servers: jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz.
The name servers of codebase.cz overlap at least partially with those of other domains — among them stavebnihp.cz, avel.cz, johnsmith.cz and two more.
These name servers commonly appear in combination with the name servers ns2.miniserver.cz.
Three hostnames — jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz — each have two IP addresses: jaguar.blueboard.cz has 178.251.187.8 and 2a00:1ed0:45::c, ns2.blueboard.cz has 195.201.57.122 and 2a01:4f8:13b:8d4::2, and shinzon.blueboard.cz has 178.251.187.7 and 2a00:1ed0:45::b.
Mail Servers
The sole mail server for codebase.cz is mx.blueboard.cz.
Among the domains sharing a mail server setup with codebase.cz are pragueapartments4u.com, fotopexeso.cz, cankovska.cz and two others.
mx.blueboard.cz resolves to two IP numbers — 81.0.209.130 and 2001:1528:240::ca.