code-zero.cz - dns.ninja
code-zero.cz
cz
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1792477047 | ||||||
Same first word
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DNS History
7 records (7 active, 0 former)
●A20.82.12.442026-10-15 → 2026-10-20 · 2 obs
● 2026-10-20 07:02:38
●A2001:1ab0:7e1e:151:62:109:155:882026-10-15 → 2026-10-20 · 2 obs
● 2026-10-20 07:02:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| code-zero.cz | ns1.savana.cz, ns2.savana.cz, ns3.savana.cz | - |
✅ Authoritative Response
Server:185.65.223.35
NS records: ns1.savana.cz, ns2.savana.cz, ns3.savana.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1706ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.82.12.44 |
| AAAA | 1 | 2001:1ab0:7e1e:151:62:109:155:88 |
| NS | 3 | ns1.savana.cz, ns2.savana.cz... |
| MX | 2 | mx1.savana.cz (pri: 10), mx2.savana.cz (pri: 20) |
| TXT | 2 | google-site-verification=F1AMaZVZEzarwQf, v=spf1 include:_spf.savana.cz include:_s |
| SOA | 1 | ns1.savana.cz hostmaster.savana.cz |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Analysis
IP Addresses
code-zero.cz has two IP addresses: 20.82.12.44 and 2001:1ab0:7e1e:151:62:109:155:88
Among the host names that share IP numbers with code-zero.cz are baustudio.cz, synergie-institut.org, oeeasy.com and two others.
Name Servers
Three name servers are authoritative for code-zero.cz: ns1.savana.cz, ns2.savana.cz and ns3.savana.cz.
At least some of code-zero.cz's name servers are shared with other domains, for example onovak.cz, jederobot.com, (0x736578)ex.cz and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.webglobe.cz, ns2.webglobe.cz and ns3.webglobe.com.
ns1.savana.cz resolves to 185.65.223.35 and 2a00:1e40:a:53::5. ns2.savana.cz resolves to 217.31.48.201 and 2001:1ab0:7e1e:2::5. ns3.savana.cz resolves to 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001. All three hostnames point to two IP numbers each.
Mail Servers
The MX records for code-zero.cz point to two mail servers: mx1.savana.cz and mx2.savana.cz.
code-zero.cz has the same mail server arrangement as a number of other domains, for example rekuperace-tomek.cz, kebabeu.eu, expodoprava.cz and two more.
code-zero.cz shares at least some of its mail servers with other domains — for example antipe.cz, zelenagarance.cz, ktvlive.cz and two more.
Each of mx1.savana.cz and mx2.savana.cz has one IP address: mx1.savana.cz uses 130.193.14.154 and mx2.savana.cz uses 185.102.21.80.