denkmann.cz - robtex.com
denkmann.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.91.84.168🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | m169.server4u.cz | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mail.denkmann.cz ⭐ | ||||||
| A | 81.91.84.168🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | m169.server4u.cz | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2013-02-06 #1 | ||||||
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=1776028637 | ||||||
Subdomains
mail.denkmann.cz |
Same first word
DNS History
4 records (4 active, 0 former)
●MXmail.denkmann.cz2015-08-17 → 2026-04-12 · 2 obs
● 2026-04-12 22:07:32
●A81.91.84.1682015-08-17 → 2026-04-12 · 2 obs
● 2026-04-12 22:07:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| denkmann.cz | ns.web4u.cz, ns2.web4u.cz | 4 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: 1123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.84.168 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 1 | mail.denkmann.cz (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
Hierarchy
denkmann.cz is the parent of mail.denkmann.cz.
IP Addresses
denkmann.cz resolves to a single IP: 81.91.84.168.
Other host names, for instance stoll-loaders.com, goldpress.de, espiral.cz, mail.dynasit.eu and catmusic.cz share IP numbers with denkmann.cz.
Name Servers
denkmann.cz has two name servers: ns2.web4u.cz and ns.web4u.cz.
denkmann.cz shares the same name server setup as other domains, for example tiskarnaonline.cz, centralni-evidence-exekuci.cz, inmed.cz, moisidis.gr and vhsjavor.cz.
Host names with two IP numbers:
ns2.web4u.cz points to: 2a02:a40:100:28ff::12 and 85.207.53.12; ns.web4u.cz points to: 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
denkmann.cz is handled by a single mail server, mail.denkmann.cz.
Host name mail.denkmann.cz points to IP 81.91.84.168.