variable.cz - dns.ninja
variable.cz
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=1781621238 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NS1.ns.gigaserver.cz2015-07-03 → 2026-06-16 · 2 obs
● 2026-06-16 15:33:28
●NS2.ns.gigaserver.cz2015-07-03 → 2026-06-16 · 2 obs
● 2026-06-16 15:33:28
●NS3.ns.gigaserver.cz2015-07-03 → 2026-06-16 · 2 obs
● 2026-06-16 15:33:28
●NS4.ns.gigaserver.cz2015-07-03 → 2026-06-16 · 2 obs
● 2026-06-16 15:33:28
●MXmail.gigaserver.cz2026-02-18 → 2026-06-16 · 3 obs
● 2026-02-18 10:53:52
● 2026-06-16 15:33:28
○MXmail.variable.cz2015-07-03 → 2019-05-13 · 4 obs
● 2019-05-13 12:41:40
○ 2026-02-18 10:53:52
○ 2026-06-16 15:33:28
●A185.66.36.1382026-02-18 → 2026-06-16 · 3 obs
● 2026-02-18 10:53:52
● 2026-06-16 15:33:28
○A85.118.128.272015-07-03 → 2019-05-13 · 4 obs
● 2019-05-13 12:41:40
○ 2026-02-18 10:53:52
○ 2026-06-16 15:33:28
🔍 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 |
| variable.cz | 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz | 4 records |
✅ Authoritative Response
Server:40.67.208.152
NS records: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz, 4.ns.gigaserver.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1094ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.66.36.138 |
| NS | 4 | 1.ns.gigaserver.cz, 2.ns.gigaserver.cz... |
| MX | 1 | mail.gigaserver.cz (pri: 10) |
| TXT | 1 | v=spf1 mx a include:smtp-gw.gigaserver.c |
| SOA | 1 | 1.ns.gigaserver.cz dns.gigaserver.cz |
📌 Glue Records Collected
Total: 12
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 4 (4.ns.gigaserver.cz, 3.ns.gigaserver.cz, 2.ns.gigaserver.cz...)
Analysis
IP Addresses
variable.cz has exactly one IP address — 185.66.36.138.
pribula.cz, drbergr.cz, eldorado1239.com plus two other host names have IP numbers in common with variable.cz.
Name Servers
Four name servers handle the delegation for variable.cz: 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz.
There is at least partial name server overlap between variable.cz and other domains — motopellmell.cz, apivital.cz, stavros.cz and two more among them.
All four hostnames — 1.ns.gigaserver.cz, 2.ns.gigaserver.cz, 3.ns.gigaserver.cz and 4.ns.gigaserver.cz — resolve to two IP numbers apiece: 1.ns.gigaserver.cz to 185.66.36.92 and 2a03:1e20:0:5::92; 2.ns.gigaserver.cz to 185.66.36.93 and 2a03:1e20:0:5::93; 3.ns.gigaserver.cz to 185.66.36.250 and 2a03:1e20:0:5::250; 4.ns.gigaserver.cz to 40.67.208.152 and 2603:1020:201::36d.
Mail Servers
variable.cz uses one mail server — mail.gigaserver.cz.
The mail server setup of variable.cz matches that of other domains such as idovolena.cz, azavax.cz, hamari.cz and two others.
mail.gigaserver.cz has exactly one IP number: 185.66.36.222.