vrcka.cz - robtex.com
vrcka.cz
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=1786342640 | ||||||
Same first word
vrcka.cz |
Similar names
DNS History
10 records (6 active, 4 former)
●NSalfa.ns.active24.cz2026-06-13 → 2026-08-10 · 3 obs
● 2026-06-13 08:54:06
● 2026-08-10 06:54:48
●NSbeta.ns.active24.cz2026-06-13 → 2026-08-10 · 3 obs
● 2026-06-13 08:54:06
● 2026-08-10 06:54:48
●NSgama.ns.active24.sk2026-06-13 → 2026-08-10 · 3 obs
● 2026-06-13 08:54:06
● 2026-08-10 06:54:48
○NSns1.one.cz2015-08-11 → 2017-09-15 · 4 obs
● 2017-09-15 15:08:58
○ 2026-06-13 08:54:06
○ 2026-08-10 06:54:48
○NSns2.one.cz2015-08-11 → 2017-09-15 · 4 obs
● 2017-09-15 15:08:58
○ 2026-06-13 08:54:06
○ 2026-08-10 06:54:48
●MXmx1.active24.com2026-06-13 → 2026-08-10 · 3 obs
● 2026-06-13 08:54:06
● 2026-08-10 06:54:48
●MXmx2.active24.com2026-06-13 → 2026-08-10 · 3 obs
● 2026-06-13 08:54:06
● 2026-08-10 06:54:48
○MXpanda.bk.cz2015-08-11 → 2017-09-15 · 4 obs
● 2017-09-15 15:08:58
○ 2026-06-13 08:54:06
○ 2026-08-10 06:54:48
○A46.149.113.1452015-08-11 → 2017-09-15 · 4 obs
● 2017-09-15 15:08:58
○ 2026-06-13 08:54:06
○ 2026-08-10 06:54:48
●A81.95.99.1152026-06-13 → 2026-08-10 · 3 obs
● 2026-06-13 08:54:06
● 2026-08-10 06:54:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| vrcka.cz | alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk | 4 records |
✅ Authoritative Response
Server:81.95.96.2
NS records: alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for vrcka.cz (unsigned zone)
⏱️ Timing
Total: 1293ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.95.99.115 |
| NS | 3 | alfa.ns.active24.cz, beta.ns.active24.cz... |
| MX | 2 | mx1.active24.com (pri: 10), mx2.active24.com (pri: 20) |
| TXT | 1 | v=spf1 include:spf.active24.com ~all |
| SOA | 1 | alfa.ns.active24.cz hostmaster.active24. |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (alfa.ns.active24.cz, alfa.ns.active24.cz, beta.ns.active24.cz...)
Analysis
IP Addresses
vrcka.cz has exactly one IP address — 81.95.99.115.
dabona.cz, kon-takt.cz, navrkal.cz plus two other host names have IP numbers in common with vrcka.cz.
Name Servers
Three name servers are authoritative for vrcka.cz: alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.
vrcka.cz has at least partial name server overlap with other domains, such as soliter-kk.cz, kaze.cz, amigohotel.cz and two others.
It is common to find these name servers paired with the name servers ns.dns4.cz.
alfa.ns.active24.cz resolves to 81.95.96.2 and 2a02:4a8:ac24:100::96:2. beta.ns.active24.cz resolves to 185.111.90.94 and 2a00:4b40:1000:590:185:111:90:94. gama.ns.active24.sk resolves to 185.71.158.30 and 2a00:1968:0:1002:185:71:158:30. All three hostnames point to two IP numbers each.
Mail Servers
vrcka.cz uses two mail servers, mx1.active24.com and mx2.active24.com.
The mail server setup of vrcka.cz matches that of other domains such as ferienhauser-tschechei.de, k-h.cz, uklizenozavas.cz and two others.
At least some of the mail servers used by vrcka.cz are shared with other domains: hellerdance.cz, alivo.cz, vithoracek.eu and two others among them.
Hosts with 8 IP addresses each:
mx1.active24.com carries IP addresses 81.95.97.4, 81.95.97.102 and 81.95.97.111, with 5 other addresses beyond those.
Host names pointing to two IP addresses:
mx2.active24.com maps to two IP addresses — 185.111.90.93 and 2a00:4b40:1000:590:185:111:90:93.