coudek.cz - robtex.com

coudek.cz

DNSSEC🔒 Signed (DS record present)
A2a01:168:0:11::1022🇨🇿 HKFREE-AS2a01:168::/29 HKfree IPv6 route
PTR2a01-168-0-11--1022.hkfree.org
A89.248.250.22🇨🇿 HKFREE-AS89.248.240.0/20 HKFree route
NSns1.websupport.cz ⭐
A2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns1.websupport.eu
A45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns1.websupport.eu
NSns2.websupport.cz
A2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48
PTRns2.websupport.eu
A185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24
PTRns2.websupport.eu
NSns3.websupport.eu
A2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32
PTRns3.websupport.eu
A45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24
PTRns3.websupport.eu
MX051bfee112ccd7be.mx1.mojedomena.seznam.cz ⭐
A2a02:598:2::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
MX051bfee112ccd7be.mx2.mojedomena.seznam.cz(11)
A2a02:598:2::1146🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx2.emailprofi.seznam.cz
A77.75.77.146🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx2.emailprofi.seznam.cz
TXTv=msv1 t=cc7fe372ab86614092320669db3018
SOAns1.websupport.czadmin@websupport.cz serial=1707711864

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=1777070833

Subdomains

www.coudek.cz

Same first word

coudek.cz

Similar names

dukeco.com
duceko.at
codeku.com
ckoedu.com
kucode.com
kcoedu.com
koudec.com
ukdeco.com
codeku.de
ckoedu.com.cn
dukeco.co
edukoc.net
edukoc.com
kcudeo.com
codeuk.net
codeuk.com
kduceo.net

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMX051bfee112ccd7be.mx1.mojedomena.seznam.cz051bfee112ccd7be.mx2.mojedomena.seznam.czalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA2a01:168:0:11::102289.248.250.22
○NSalfa.ns.active24.cz2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
○NSbeta.ns.active24.cz2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
○NSgama.ns.active24.sk2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
●NSns1.websupport.cz2026-03-26 → 2026-04-24 · 3 obs
○ 2017-07-07 21:07:32
● 2026-03-26 14:38:54
● 2026-04-24 23:33:48
●NSns2.websupport.cz2026-03-26 → 2026-04-24 · 3 obs
○ 2017-07-07 21:07:32
● 2026-03-26 14:38:54
● 2026-04-24 23:33:48
●NSns3.websupport.eu2026-03-26 → 2026-04-24 · 3 obs
○ 2017-07-07 21:07:32
● 2026-03-26 14:38:54
● 2026-04-24 23:33:48
●MX051bfee112ccd7be.mx1.mojedomena.seznam.cz2026-03-26 → 2026-04-24 · 3 obs
○ 2017-07-07 21:07:32
● 2026-03-26 14:38:54
● 2026-04-24 23:33:48
●MX051bfee112ccd7be.mx2.mojedomena.seznam.cz2026-03-26 → 2026-04-24 · 3 obs
○ 2017-07-07 21:07:32
● 2026-03-26 14:38:54
● 2026-04-24 23:33:48
○MXalt1.aspmx.l.google.com2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
○MXalt2.aspmx.l.google.com2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
○MXaspmx.l.google.com2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
○MXaspmx2.googlemail.com2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
○MXaspmx3.googlemail.com2015-07-16 → 2017-07-07 · 4 obs
● 2015-07-16 03:13:40
● 2017-07-07 21:07:32
○ 2026-03-26 14:38:54
○ 2026-04-24 23:33:48
●A2a01:168:0:11::10222026-03-26 → 2026-04-24 · 3 obs
○ 2015-07-16 03:13:40
● 2026-03-26 14:38:54
● 2026-04-24 23:33:48
●A89.248.250.222015-07-16 → 2026-04-24 · 2 obs
● 2015-07-16 03:13:40
● 2026-04-24 23:33:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
coudek.czns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1003ms | Queries: -

📄 Records

TypeCountSample Data
A189.248.250.22
AAAA12a01:168:0:11::1022
NS3ns1.websupport.cz, ns2.websupport.cz...
MX2051bfee112ccd7be.mx1.mojedomena.seznam.c, 051bfee112ccd7be.mx2.mojedomena.seznam.c
TXT1v=msv1 t=cc7fe372ab86614092320669db3018
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

Hierarchy

www.coudek.cz is a child of coudek.cz.

IP Addresses

coudek.cz has two IP numbers: 2a01:168:0:11::1022 and 89.248.250.22.

Other host names for instance golias.hkfree.org and www.coudek.cz share IP numbers with coudek.cz.

Name Servers

coudek.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

coudek.cz at least partially shares name servers with other domains, including amicac.sk, macness.com, holandska2437.cz, ehr.cz and wincc.sk.

Host names with two IP numbers:

ns1.websupport.cz: 2a10:bbc0::11 and 45.10.97.11

ns2.websupport.cz: 2a02:250:3::12 and 185.71.159.12

ns3.websupport.eu: 2a10:bbc0::13 and 45.10.97.13

Mail Servers

coudek.cz is served by two mail servers 051bfee112ccd7be.mx1.mojedomena.seznam.cz and 051bfee112ccd7be.mx2.mojedomena.seznam.cz.

Host names with two IPs:

051bfee112ccd7be.mx1.mojedomena.seznam.cz points to 2a02:598:2::1056 and 77.75.77.56

051bfee112ccd7be.mx2.mojedomena.seznam.cz points to 2a02:598:2::1146 and 77.75.77.146