mx.usz.cz - robtex.com
mx.usz.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.134.160.134🇨🇿 EDERA_Group185.134.160.0/22 | ||||||
| PTR | isp.systemx.cz | ||||||
usz.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.134.160.134🇨🇿 EDERA_Group185.134.160.0/22 | ||||||
| NS | ns.winet.cz ⭐ | ||||||
| NS | nt.winet.cz | ||||||
| MX | mx.usz.cz ⭐ | ||||||
| SOA | ns.winet.czadministrator@winet.cz 2020-09-29 #6 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●A185.134.160.1342026-03-24 → 2026-04-13 · 3 obs
○ 2016-11-16 04:56:02
● 2026-03-24 23:16:06
● 2026-04-13 11:14:28
● 2026-03-24 23:16:06
● 2026-04-13 11:14:28
○A80.79.21.632015-07-23 → 2016-11-16 · 4 obs
● 2015-07-23 04:50:58
● 2016-11-16 04:56:02
○ 2026-03-24 23:16:06
○ 2026-04-13 11:14:28
● 2016-11-16 04:56:02
○ 2026-03-24 23:16:06
○ 2026-04-13 11:14:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| usz.cz | ns.winet.cz, nt.winet.cz | 2 records |
✅ Authoritative Response
Server:217.16.185.83
NS records: ns.winet.cz, nt.winet.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usz.cz (unsigned zone)
⏱️ Timing
Total: 798ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.134.160.134 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.winet.cz, nt.winet.cz)
Analysis
Mail Server Role
mx.usz.cz is the mail server for usz.cz.
IP Addresses
mx.usz.cz points to a single IP number: 185.134.160.134.
other host names for instance mail.logicprim.cz, nadace-hgf.cz, usz.cz, logicprim.cz and isp.systemx.cz share IP numbers with mx.usz.cz.