dfklub.cz - robtex.com
dfklub.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.228.50.11🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | mx2.don.cz | ||||||
| NS | ns2.don.cz ⭐ | ||||||
| A | 194.228.50.11🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | mx2.don.cz | ||||||
| NS | ns.don.cz | ||||||
| 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 | ||||||
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=1785757640 | ||||||
Same first word
dfklub.cz |
DNS History
5 records (4 active, 1 former)
●A194.228.50.112015-10-25 → 2026-08-03 · 3 obs
● 2015-10-25 12:54:30
● 2026-08-03 12:14:50
○A194.228.50.372015-06-06 → 2015-06-06 · 3 obs
○ 2015-10-25 12:54:30
○ 2026-08-03 12:14:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| dfklub.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 dfklub.cz (unsigned zone)
⏱️ Timing
Total: 801ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.228.50.11 |
| 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: 10
In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 2 (ns.don.cz, ns2.don.cz)
Analysis
IP Addresses
dfklub.cz directs to one IP number, which is 194.228.50.11.
ns2.don.cz and mx2.don.cz, along with other host names, share IP addresses with dfklub.cz.
Name Servers
dfklub.cz is served by two delegated name servers, ns2.don.cz and ns.don.cz.
dfklub.cz has the same name server delegation as a number of other domains, such as aikibudo.eu, ssl.don.cz, kuzelovi.cz and two more.
ns2.don.cz resolves to 194.228.50.11. ns.don.cz resolves to 194.228.50.10. Both host names point to a single IP number.
Mail Servers
dfklub.cz routes its mail through a single mail server, mx.don.cz.
dfklub.cz has the same mail server arrangement as a number of other domains, for example kuzelovi.cz, mail.kuzelovi.cz, prochazkova.com and two more.
At least a portion of dfklub.cz's mail servers are also used by other domains, for example don.cz.
There is one IP number for mx.don.cz: 194.228.50.10.