itcheck.cz - robtex.com
itcheck.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=1778318242 | ||||||
Subdomains
mail.itcheck.cz |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns.wedos.com2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 10:54:42
● 2026-05-09 10:08:58
●NSns.wedos.cz2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 10:54:42
● 2026-05-09 10:08:58
●NSns.wedos.eu2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 10:54:42
● 2026-05-09 10:08:58
●NSns.wedos.net2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 10:54:42
● 2026-05-09 10:08:58
○NSns1.hostujemeweb.cz2015-08-06 → 2017-02-18 · 4 obs
● 2017-02-18 06:24:36
○ 2026-03-04 15:33:54
○ 2026-05-09 10:08:58
○NSns2.hostujemeweb.cz2015-08-06 → 2017-02-18 · 4 obs
● 2017-02-18 06:24:36
○ 2026-03-04 15:33:54
○ 2026-05-09 10:08:58
○MXmail.itcheck.cz2015-08-06 → 2017-02-18 · 4 obs
● 2017-02-18 06:24:36
○ 2026-03-04 15:33:54
○ 2026-05-09 10:08:58
●MXweb3.dwo.cz2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 10:54:42
● 2026-05-09 10:08:58
●A109.123.216.662026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 10:54:42
● 2026-05-09 10:08:58
○A37.205.10.972015-08-06 → 2017-02-18 · 4 obs
● 2017-02-18 06:24:36
○ 2026-03-04 15:33:54
○ 2026-05-09 10:08:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| itcheck.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: 882ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.123.216.66 |
| NS | 4 | ns.wedos.com, ns.wedos.net... |
| MX | 1 | web3.dwo.cz (pri: 10) |
| TXT | 1 | google-site-verification=ZG-7JviMEpUZ48T |
| SOA | 1 | ns.wedos.com wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
Hierarchy
mail.itcheck.cz is a child of itcheck.cz.
IP Addresses
itcheck.cz resolves to one IP number: 109.123.216.66.
Other host names, for instance dwo.cz, analytics.dwo.cz, miyabi.cz, web3.dwo.cz and mail.itcheck.cz share IP numbers with itcheck.cz.
Name Servers
itcheck.cz delegates to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
itcheck.cz at least partially shares name servers with other domains, including azzpcr.cz, elektro-revize.eu, nezna.cz, woreshack.cz and limacta.com.
Four IPs for hostnames:
ns.wedos.cz points to 2a0e:acc0:1::caff:caff:cafb, 2a0e:acc0:2::c:1:c1, 45.138.106.1 and 185.8.238.1; ns.wedos.net points to 2600:9000:a419:5a54:19f7:a614:36fd:2825, 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46, 75.2.92.86 and 99.83.142.9.
Two IPs for hostnames:
ns.wedos.com points to 2a0e:acc0:1::cafe:cafe:cafe and 45.138.106.0; ns.wedos.eu points to 2a0e:acc0:2::b:1:b1 and 185.8.238.0.
Mail Servers
A single mail server handles itcheck.cz, web3.dwo.cz.
itcheck.cz uses the same mail server setup as other domains, including itcheck.net and dwo.cz.
Host name web3.dwo.cz resolves to a single IP: 109.123.216.66.