linux4.czi.cz - robtex.com
linux4.czi.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:4de8:fa3a:1::104🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s. | ||||||
| A | 195.250.147.186🇨🇿 QUANTCOM-AS195.250.128.0/19 | ||||||
czi.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 195.250.147.186🇨🇿 QUANTCOM-AS195.250.128.0/19 | ||||||
| NS | ns.czi.cz ⭐ | ||||||
| NS | sns.vol.cz | ||||||
| MX | post.czi.cz ⭐ | ||||||
| TXT | google-site-verification=Oa4DKt7VpsIc5TRFPeGhbk1xoeSdYU3u2iALlt-W0JM | ||||||
| TXT | google-site-verification=GZAt8l0htg2LAzkCteUXAg4KzsWCy-QDbt_FOPLvXgE | ||||||
| TXT | v=spf1 mx ip4:195.250.147.234/32 ip4:195.250.147.210/32 -all | ||||||
| TXT | MS=0070334A8CD95DEB242F9C46AEE392ED8E3979A6 | ||||||
| SOA | ns.czi.czadmin@czi.cz 2026-07-20 #2 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●A195.250.147.1862018-05-15 → 2026-07-24 · 2 obs
● 2018-05-15 21:06:52
● 2026-07-24 13:09:36
● 2026-07-24 13:09:36
●A2001:4de8:fa3a:1::1042018-05-15 → 2026-07-24 · 2 obs
● 2018-05-15 21:06:52
● 2026-07-24 13:09:36
● 2026-07-24 13:09:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| czi.cz | ns.czi.cz, sns.vol.cz | 1 record |
✅ Authoritative Response
Server:195.250.128.2
NS records: ns.czi.cz, sns.vol.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1350ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.250.147.186 |
| AAAA | 1 | 2001:4de8:fa3a:1::104 |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns.czi.cz)
Analysis
IP Addresses
linux4.czi.cz directs to two IP numbers, 195.250.147.186 and 2001:4de8:fa3a:1::104
Among the host names that share IP numbers with linux4.czi.cz are p12.helpnet.cz, horka-linka.com, horkalinka.info and two others.