valid.cz - dns.ninja
valid.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=1786018638 | ||||||
Subdomains
relay.valid.cz |
kerio.valid.cz |
app.valid.cz |
v1.valid.cz |
v14.valid.cz |
v5.valid.cz |
mail.valid.cz |
email.valid.cz |
v7.valid.cz |
www.valid.cz |
v9.valid.cz |
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●MXemail.valid.cz2015-08-08 → 2026-08-06 · 2 obs
● 2026-08-06 12:47:10
○A178.238.37.722015-08-08 → 2016-11-08 · 4 obs
● 2016-11-08 23:27:34
○ 2026-03-16 09:16:02
○ 2026-08-06 12:47:10
●A178.238.37.732026-03-16 → 2026-08-06 · 3 obs
● 2026-03-16 09:16:02
● 2026-08-06 12:47:10
○A2a01:430:c:0:178:238:37:722015-08-08 → 2016-11-08 · 4 obs
● 2016-11-08 23:27:34
○ 2026-03-16 09:16:02
○ 2026-08-06 12:47:10
●A2a01:430:c:0:178:238:37:732026-03-16 → 2026-08-06 · 3 obs
● 2026-03-16 09:16:02
● 2026-08-06 12:47:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| valid.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: 625ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.238.37.73 |
| AAAA | 1 | 2a01:430:c:0:178:238:37:73 |
| NS | 4 | ns.wedos.net, ns.wedos.cz... |
| MX | 1 | email.valid.cz (pri: 10) |
| TXT | 1 | v=spf1 mx a:relay.valid.cz -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
Among the subdomains of valid.cz are relay.valid.cz, kerio.valid.cz, app.valid.cz, v1.valid.cz, v14.valid.cz and a few other host names.
IP Addresses
valid.cz has two IP addresses: 178.238.37.73 and 2a01:430:c:0:178:238:37:73
There are other host names — app.valid.cz among them — that share IP numbers with valid.cz.
Name Servers
valid.cz has four authoritative name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
There is at least partial name server overlap between valid.cz and other domains — lssp.cz, telemont.cz, roxton.cz and two more among them.
Host names resolving to four IP addresses:
ns.wedos.cz resolves to four IP addresses — 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net resolves to four IP addresses — 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 has two IP addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu has two IP addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
valid.cz has one mail server: email.valid.cz.
valid.cz shares its mail server setup with other domains, such as kovopolotovary.cz.
email.valid.cz carries two IP numbers: 83.167.240.77 and 2a01:430:c:0:83:167:240:77.