systemadmin.cz - dns.ninja
systemadmin.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=1781115437 | ||||||
Subdomains
Same first word
Similar names
myinstameds.com |
adminsystem.de |
adminsystem.com |
adminsystem.org |
adminsystem.dk |
adminsystem.co.za |
adminsystem.eu |
DNS History
10 records (6 active, 4 former)
○NSalfa.ns.active24.cz2018-08-03 → 2018-08-03 · 3 obs
○ 2026-06-10 18:38:04
○ 2026-06-10 18:38:06
○NSbeta.ns.active24.cz2018-08-03 → 2018-08-03 · 3 obs
○ 2026-06-10 18:38:04
○ 2026-06-10 18:38:06
○NSgama.ns.active24.sk2018-08-03 → 2018-08-03 · 3 obs
○ 2026-06-10 18:38:04
○ 2026-06-10 18:38:06
●NSns.wedos.com2026-06-10 → 2026-06-10 · 3 obs
● 2026-06-10 18:38:04
● 2026-06-10 18:38:06
●NSns.wedos.cz2026-06-10 → 2026-06-10 · 3 obs
● 2026-06-10 18:38:04
● 2026-06-10 18:38:06
●NSns.wedos.eu2026-06-10 → 2026-06-10 · 3 obs
● 2026-06-10 18:38:04
● 2026-06-10 18:38:06
●NSns.wedos.net2026-06-10 → 2026-06-10 · 3 obs
● 2026-06-10 18:38:04
● 2026-06-10 18:38:06
●MXmail.systemadmin.cz2018-08-03 → 2026-06-10 · 2 obs
● 2026-06-10 18:38:06
●A212.158.143.1222026-06-10 → 2026-06-10 · 3 obs
● 2026-06-10 18:38:04
● 2026-06-10 18:38:06
○A212.158.143.1242018-08-03 → 2018-08-03 · 3 obs
○ 2026-06-10 18:38:04
○ 2026-06-10 18:38:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| systemadmin.cz | ns.wedos.com, ns.wedos.cz, ns.wedos.eu, ns.wedos.net | 4 records |
✅ Authoritative Response
Server:75.2.92.86
NS records: ns.wedos.com, ns.wedos.cz, ns.wedos.eu, ns.wedos.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1054ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.158.143.122 |
| NS | 4 | ns.wedos.net, ns.wedos.cz... |
| MX | 1 | mail.systemadmin.cz (pri: 10) |
| TXT | 3 | google-site-verification=syU1ivFDEEtjTt6, abuseipdb-verification=NJAH1brN... |
| SOA | 1 | ns.wedos.net wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
Hierarchy
systemadmin.cz serves as the parent of mail.systemadmin.cz and www.systemadmin.cz.
IP Addresses
systemadmin.cz has exactly one IP address — 212.158.143.122.
There are other host names — mail.systemadmin.cz among them — that share IP numbers with systemadmin.cz.
Name Servers
systemadmin.cz is delegated to four name servers, ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
systemadmin.cz has at least partial name server overlap with other domains, such as jzs.cz, satya.cz, vilaolga.cz and two others.
Host names with four IP numbers:
ns.wedos.cz has four IP addresses: 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net has four IP addresses: 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.
Host names pointing to two IP addresses:
ns.wedos.com has two IP addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu has two IP addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
systemadmin.cz uses one mail server — mail.systemadmin.cz.
systemadmin.cz uses the same mail servers as other domains, including vsehodruhu.cz.
mail.systemadmin.cz has exactly one IP number: 212.158.143.122.