ssl.don.cz - robtex.com
ssl.don.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.228.50.10🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | mx.don.cz | ||||||
| NS | ns2.don.cz ⭐ ⚠️ Not in parent delegation | ||||||
| A | 194.228.50.11🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | mx2.don.cz | ||||||
| NS | ns.don.cz ⚠️ Not in parent delegation | ||||||
| A | 194.228.50.10🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | mx.don.cz | ||||||
| MX | mx.don.cz ⭐ | ||||||
| A | 194.228.50.10🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | mx.don.cz | ||||||
| TXT | v=spf1 +a +mx +ip4:194.228.50.10 +ip4:194.228.50.11 ~all | ||||||
| SOA | ns.don.czhostmaster@don.cz serial=1784634321 | ||||||
don.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.228.50.10🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| NS | ns2.don.cz ⭐ | ||||||
| NS | ns.don.cz | ||||||
| MX | mx2.don.cz ⭐ | ||||||
| MX | mx.don.cz(20) | ||||||
| TXT | v=spf1 +a +mx +ip4:194.228.50.10 +ip4:194.228.50.11 ~all | ||||||
| SOA | ns.don.czhostmaster@don.cz serial=1784634321 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A194.228.50.102015-05-28 → 2026-08-03 · 2 obs
● 2026-08-03 05:16:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| don.cz | ns.don.cz, ns2.don.cz | 2 records |
✅ Authoritative Response
Server:194.228.50.11
NS records: ns.don.cz, ns2.don.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for don.cz (unsigned zone)
⏱️ Timing
Total: 816ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.228.50.10 |
| NS | 2 | ns.don.cz, ns2.don.cz |
| MX | 1 | mx.don.cz (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:194.228.50.10 +ip4:19 |
| SOA | 1 | ns.don.cz hostmaster.don.cz |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns.don.cz, ns2.don.cz)
Analysis
IP Addresses
ssl.don.cz resolves to just one IP address, 194.228.50.10.
Two other host names, along with mx.don.cz, www.don.cz and lzive.cz, also share IP numbers with ssl.don.cz.
Name Servers
Two name servers handle the delegation for ssl.don.cz: ns2.don.cz and ns.don.cz.
ssl.don.cz shares its NS records with other domains, for example lmreality.cz, aikibudo.cz, rar-reality.cz and two others.
Each of ns2.don.cz and ns.don.cz has one IP address: ns2.don.cz uses 194.228.50.11 and ns.don.cz uses 194.228.50.10.
Mail Servers
The sole mail server for ssl.don.cz is mx.don.cz.
Among the domains sharing a mail server setup with ssl.don.cz are aikibudo.eu, dfklub.cz, kuzelovi.cz and two others.
ssl.don.cz overlaps on mail servers with certain other domains, don.cz among them.
These mail servers often co-occur with the mail servers mx2.don.cz.
mx.don.cz carries a single IP number, which is 194.228.50.10.