cervenkov.cz - robtex.com
cervenkov.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=1786173439 | ||||||
Subdomains
mail.cervenkov.cz |
Same first word
cervenkov.cz |
DNS History
11 records (7 active, 4 former)
●NSns.wedos.com2026-03-07 → 2026-08-08 · 3 obs
● 2026-03-07 07:53:40
● 2026-08-08 08:19:04
●NSns.wedos.cz2026-03-07 → 2026-08-08 · 3 obs
● 2026-03-07 07:53:40
● 2026-08-08 08:19:04
●NSns.wedos.eu2026-03-07 → 2026-08-08 · 3 obs
● 2026-03-07 07:53:40
● 2026-08-08 08:19:04
●NSns.wedos.net2026-03-07 → 2026-08-08 · 3 obs
● 2026-03-07 07:53:40
● 2026-08-08 08:19:04
○NSns1.regzone.cz2015-08-13 → 2016-12-10 · 4 obs
● 2016-12-10 09:47:20
○ 2026-03-07 07:53:40
○ 2026-08-08 08:19:04
○NSns1.regzone.de2015-08-13 → 2016-12-10 · 4 obs
● 2016-12-10 09:47:20
○ 2026-03-07 07:53:40
○ 2026-08-08 08:19:04
○NSns1.regzone.info2015-08-13 → 2016-12-10 · 4 obs
● 2016-12-10 09:47:20
○ 2026-03-07 07:53:40
○ 2026-08-08 08:19:04
●MXmail.cervenkov.cz2026-03-07 → 2026-08-08 · 2 obs
● 2026-08-08 08:19:04
●A144.91.105.1342026-03-07 → 2026-08-08 · 3 obs
● 2026-03-07 07:53:40
● 2026-08-08 08:19:04
●A2a02:c207:2250:6887::12026-03-07 → 2026-08-08 · 3 obs
● 2026-03-07 07:53:40
● 2026-08-08 08:19:04
○A88.146.200.882015-08-13 → 2016-12-10 · 4 obs
● 2016-12-10 09:47:20
○ 2026-03-07 07:53:40
○ 2026-08-08 08:19:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| cervenkov.cz | ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net | 4 records |
✅ Authoritative Response
Server:45.138.106.1
NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 676ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.91.105.134 |
| AAAA | 1 | 2a02:c207:2250:6887::1 |
| NS | 4 | ns.wedos.cz, ns.wedos.eu... |
| MX | 1 | mail.cervenkov.cz (pri: 10) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns.wedos.net wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
Hierarchy
The domain mail.cervenkov.cz falls under the parent cervenkov.cz.
IP Addresses
cervenkov.cz has two IP addresses: 144.91.105.134 and 2a02:c207:2250:6887::1
Other host names share IP numbers with cervenkov.cz; mail.cervenkov.cz is one such example.
Name Servers
cervenkov.cz has four authoritative name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
At least some of cervenkov.cz's name servers are shared with other domains, for example hroch.eu, bdskalka.cz, inetcomp.eu and two more.
Host names resolving to four IP addresses:
ns.wedos.cz directs to 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net directs to 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.
Host names with two IP numbers:
ns.wedos.com maps to two IP addresses — 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu maps to two IP addresses — 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
cervenkov.cz has one mail server: mail.cervenkov.cz.
mail.cervenkov.cz directs to two IP numbers, 144.91.105.134 and 2a02:c207:2250:6887::1.