allencoding.cz - dns.ninja
allencoding.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.11.237.180🇨🇿 WIA-AS217.11.237.0/24 CASA to WIA transfer | ||||||
| PTR | monkey7.securenet.cz | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| 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 | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2011-11-04 #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=1786799841 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
○A217.11.237.1772015-07-08 → 2017-06-17 · 4 obs
● 2017-06-17 14:37:54
○ 2026-03-19 21:36:22
○ 2026-08-15 14:02:40
●A217.11.237.1802026-03-19 → 2026-08-15 · 3 obs
● 2026-03-19 21:36:22
● 2026-08-15 14:02:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| allencoding.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1386ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.11.237.180 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| 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
IP Addresses
allencoding.cz has exactly one IP address — 217.11.237.180.
kungpao.cz, flat4.org, m2ai.com plus two other host names have IP numbers in common with allencoding.cz.
Name Servers
allencoding.cz uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.
The name server configuration of allencoding.cz is shared with other domains, for instance technotronmetal.cz, akkehar.cz, gpsdispecink.cz and two others.
The two host names ns2.web4u.cz and ns.web4u.cz each have a pair of IP addresses: ns2.web4u.cz has 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz has 185.14.224.241 and 2001:1568:fd::241.