techsys.cz - dns.ninja
techsys.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=1784108841 | ||||||
Subdomains
www.techsys.cz |
kraftwerk.techsys.cz |
kernel.techsys.cz |
anthrax.techsys.cz |
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
○NSalfa.ns.active24.cz2015-08-19 → 2017-06-08 · 4 obs
● 2017-06-08 02:31:14
○ 2026-02-22 02:37:58
○ 2026-07-15 10:16:16
○NSbeta.ns.active24.cz2015-08-19 → 2017-06-08 · 4 obs
● 2017-06-08 02:31:14
○ 2026-02-22 02:37:58
○ 2026-07-15 10:16:16
○NSgama.ns.active24.sk2015-08-19 → 2017-06-08 · 4 obs
● 2017-06-08 02:31:14
○ 2026-02-22 02:37:58
○ 2026-07-15 10:16:16
●NSns1.websupport.cz2026-02-22 → 2026-07-15 · 3 obs
● 2026-02-22 02:37:58
● 2026-07-15 10:16:16
●NSns2.websupport.cz2026-02-22 → 2026-07-15 · 3 obs
● 2026-02-22 02:37:58
● 2026-07-15 10:16:16
●NSns3.websupport.eu2026-02-22 → 2026-07-15 · 3 obs
● 2026-02-22 02:37:58
● 2026-07-15 10:16:16
●MXanthrax.techsys.cz2026-02-22 → 2026-07-15 · 3 obs
● 2026-02-22 02:37:58
● 2026-07-15 10:16:16
○MXeudaimonie.openbsd.cz2015-08-19 → 2017-06-08 · 4 obs
● 2017-06-08 02:31:14
○ 2026-02-22 02:37:58
○ 2026-07-15 10:16:16
●MXkraftwerk.techsys.cz2015-08-19 → 2026-07-15 · 2 obs
● 2026-07-15 10:16:16
○MXsandonorico.openbsd.cz2015-08-19 → 2017-06-08 · 4 obs
● 2017-06-08 02:31:14
○ 2026-02-22 02:37:58
○ 2026-07-15 10:16:16
●A2a02:8304:b:1::240:1822026-02-22 → 2026-07-15 · 3 obs
● 2026-02-22 02:37:58
● 2026-07-15 10:16:16
○A81.95.108.1222015-08-19 → 2015-08-19 · 3 obs
○ 2016-01-21 23:04:44
○ 2026-07-15 10:16:16
●A94.113.240.1822016-01-21 → 2026-07-15 · 3 obs
● 2016-01-21 23:04:44
● 2026-07-15 10:16:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| techsys.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.113.240.182 |
| AAAA | 1 | 2a02:8304:b:1::240:182 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | kraftwerk.techsys.cz (pri: 10), anthrax.techsys.cz (pri: 250) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
www.techsys.cz, kraftwerk.techsys.cz, kernel.techsys.cz and anthrax.techsys.cz are all subdomains of techsys.cz.
IP Addresses
techsys.cz points to the IP addresses 94.113.240.182 and 2a02:8304:b:1::240:182
ip-94-113-240-182.net.vodafone.cz and techsys.org are among other host names that share IP numbers with techsys.cz.
Name Servers
techsys.cz is served by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
The name servers of techsys.cz overlap at least partially with those of other domains — among them pegas2000.cz, bef.sk, papilio-reklama.cz and two more.
The hostnames ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each direct to two IP addresses — ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
Mail for techsys.cz is handled by two mail servers — anthrax.techsys.cz and kraftwerk.techsys.cz.
The mail server configuration of techsys.cz is identical to that of other domains — techsys.org being one example.
anthrax.techsys.cz resolves to 94.113.240.161 and 2a02:8304:b:1::240:161. Likewise, kraftwerk.techsys.cz resolves to 83.167.238.30 and 2a01:430:261:1::238:30 — two IP addresses apiece.