cloudforge.cz - dns.ninja

cloudforge.cz

DNSSEC🔒 Signed (DS record present)
A194.108.168.151🇨🇿 TMOBILE-CZ194.108.0.0/16 T-Mobile Czech Republic a.s.
PTRthor.cloudforge.cz
NSns2.web4u.cz
A2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.
PTRns2.web4u.cz
A85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block
NSns.web4u.cz
A2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33
PTRns.web4u.cz
A185.14.224.241🇨🇿 WEB4U185.14.224.0/23
PTRns.web4u.cz
MXmx.web4u.cz
A2001:1568::7012🇨🇿 WEB4U2001:1568::/33
PTRmx.web4u.cz
A81.91.87.12🇨🇿 WEB4U81.91.80.0/21
PTRmx.web4u.cz
TXTv=spf1 include:_spf.web4u.cz ~all
TXTgoogle-site-verification=f8y2eNC08G_6F2Xu-IWKYQMxiB1BQOJxOBqStJqqcAg
SOAns.web4u.czadmin@web4u.cz 2026-06-16 #0

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1781623057
🔒 HSTS Preload (+subdomains)

Subdomains

Same first word

Similar names

DNS History

4 records (4 active, 0 former)

NSns.web4u.czns2.web4u.czMXmx.web4u.czA194.108.168.151
NSns.web4u.cz2026-03-21 → 2026-06-16 · 2 obs
● 2026-03-21 08:53:54
● 2026-06-16 16:05:58
NSns2.web4u.cz2026-03-21 → 2026-06-16 · 2 obs
● 2026-03-21 08:53:54
● 2026-06-16 16:05:58
MXmx.web4u.cz2026-03-21 → 2026-06-16 · 2 obs
● 2026-03-21 08:53:54
● 2026-06-16 16:05:58
A194.108.168.1512026-03-21 → 2026-06-16 · 2 obs
● 2026-03-21 08:53:54
● 2026-06-16 16:05:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
cloudforge.czns.web4u.cz, ns2.web4u.cz4 records

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 950ms | Queries: -

📄 Records

TypeCountSample Data
A1194.108.168.151
NS2ns.web4u.cz, ns2.web4u.cz
MX1mx.web4u.cz (pri: 10)
TXT2v=spf1 include:_spf.web4u.cz ~all, google-site-verification=f8y2eNC08G_6F2X
SOA1ns.web4u.cz admin.web4u.cz

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns2.web4u.cz, ns.web4u.cz...)

Analysis

Hierarchy

thor.cloudforge.cz is delegated beneath cloudforge.cz.

IP Addresses

cloudforge.cz resolves to just one IP address, 194.108.168.151.

There are other host names — thor.cloudforge.cz among them — that share IP numbers with cloudforge.cz.

Name Servers

DNS delegation for cloudforge.cz points to two name servers: ns2.web4u.cz and ns.web4u.cz.

cloudforge.cz shares its NS records with other domains, for example brnophp.com, olympiablansko.cz, vodackenoviny.cz and two others.

ns2.web4u.cz directs to 85.207.53.12 and 2a02:a40:100:28ff::12. ns.web4u.cz directs to 185.14.224.241 and 2001:1568:fd::241. Each host name carries two IP addresses.

Mail Servers

The sole mail server for cloudforge.cz is mx.web4u.cz.

Among the domains sharing a mail server setup with cloudforge.cz are groupwise.cz, dascb.cz, top-edit.eu and two others.

cloudforge.cz has mail servers in common with other domains — for example isosklo.cz, dkskolin.cz and ixio.cz.

mx.web4u.cz carries two IP numbers: 81.91.87.12 and 2001:1568::7012.