hosting.4users.cz - robtex.com
hosting.4users.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 171.25.220.146🇨🇿 GREENDATA171.25.220.0/23 Greendata s.r.o. | ||||||
| PTR | hosting.hefy.cz | ||||||
4users.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 171.25.220.146🇨🇿 GREENDATA171.25.220.0/23 Greendata s.r.o. | ||||||
| NS | ns1.procaln.cz ⭐ | ||||||
| NS | ns2.procaln.cz | ||||||
| NS | ns3.procaln.cz ⚠️ Not in parent delegation | ||||||
| MX | owa.hefy.cz ⭐ | ||||||
| MX | hosting.hefy.cz(10) | ||||||
| TXT | v=spf1 +a +mx +ip4:171.25.220.143 +ip4:171.25.220.146 +ip4:109.248.251.44 +ip... | ||||||
| SOA | ns1.procaln.czwebmaster@4users.cz 2026-04-20 #0 | ||||||
PTR for
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A171.25.220.1462026-03-11 → 2026-04-20 · 3 obs
○ 2016-09-18 06:00:24
● 2026-03-11 12:17:40
● 2026-04-20 02:23:22
● 2026-03-11 12:17:40
● 2026-04-20 02:23:22
○A89.203.146.552015-05-11 → 2016-09-18 · 4 obs
● 2015-05-11 05:15:22
● 2016-09-18 06:00:24
○ 2026-03-11 12:17:40
○ 2026-04-20 02:23:22
● 2016-09-18 06:00:24
○ 2026-03-11 12:17:40
○ 2026-04-20 02:23:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| 4users.cz | ns1.procaln.cz, ns2.procaln.cz | 2 records |
✅ Authoritative Response
Server:185.248.179.104
NS records: ns1.procaln.cz, ns2.procaln.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4users.cz (unsigned zone)
⏱️ Timing
Total: 782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 171.25.220.146 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.procaln.cz, ns1.procaln.cz)
Analysis
IP Addresses
hosting.4users.cz points to a single IP number: 171.25.220.146.
Other host names, for instance mail.4users.cz, mental.cz, evma.cz, aaheta.cz and architecture.cz share IP numbers with hosting.4users.cz.