cescob.cz - robtex.com
cescob.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| 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 | mx1.mailchannels.net ⭐ | ||||||
| A | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-04-25 #2 | ||||||
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=1776080862 | ||||||
Same first word
cescob.cz |
Similar names
cbesco.com |
sobecc.org.br |
scboce.com |
sbccoe.org |
cboces.org |
sccboe.net |
sccboe.org |
eosbcc.com |
scobec.com |
sobecc.com |
sebcoc.com.br |
cbsceo.com |
bescco.com |
ecosbc.com |
sccobe.com |
DNS History
6 records (6 active, 0 former)
●MXmx1.mailchannels.net2026-02-18 → 2026-04-13 · 2 obs
● 2026-04-13 12:16:14
●MXmx2.mailchannels.net2026-02-18 → 2026-04-13 · 2 obs
● 2026-04-13 12:16:14
●A2001:1568::142026-02-18 → 2026-04-13 · 2 obs
● 2026-04-13 12:16:14
●A81.91.86.142026-02-18 → 2026-04-13 · 2 obs
● 2026-04-13 12:16:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| cescob.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: 961ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (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
IP Addresses
cescob.cz points to two IP numbers: 2001:1568::14 and 81.91.86.14.
Other host names, for instance inovat.cz, officereality.cz, astramotor.cz, creditprague.cz and mail.ddnachod.cz share IP numbers with cescob.cz.
Name Servers
cescob.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
cescob.cz uses the same name server setup as other domains, for instance wolfsden.cz, drevocentrum-as.cz, starhova.cz, alfaclinic.eu and topedit.eu.
Host names with two IP numbers:
The host ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.
The host ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.
Mail Servers
cescob.cz is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
cescob.cz shares the same mail server setup as other domains, including mail.naffalawfirm.com, popmarlton.org, richardrentals.com, frenchbulldogvillage.net and k-matic.com.
Host names with one IP number:
mx1.mailchannels.net points to: 18.236.29.166.
mx2.mailchannels.net points to: 54.69.1.140.