cbdata.cz - dns.ninja

cbdata.cz

DNSSEC🔒 Signed (DS record present)
A173.249.20.159🇩🇪 CONTABO173.249.20.0/23
PTR-
NSns1.regzone.cz
A2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET
PTRns1.regzone.cz
A217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET
PTRns1.regzone.cz
NSns1.regzone.de
A2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies
PTRns1.regzone.de
A23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies
PTRns1.regzone.de
NSns1.regzone.info
A2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRns1.regzone.info
A81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT
PTRns1.regzone.info
MXcbdata-cz.mail.protection.outlook.com
A2a01:111:f403:ca04::c🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca09::🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am3pr04cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca09::8🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::b🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00103.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.68.36🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db5pr02cu00104.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
TXT1password-site-verification=IXBWHB4PYRCHTEURFLHWCHN5M4
TXTanthropic-domain-verification-p8np2n=1WpComiyy5QA6pNtSyRYSf6vy
TXTgoogle-site-verification=B3mpRtylcZ-wQYo1Zyut42Lyn4Dgp2dfYm65LnKF8HQ
TXTgoogle-site-verification=OPIK9HCa6UJO070Fl1dOT1SHKnnuLVC2bVXmBSYQNbg
TXTgoogle-site-verification=W7Vy63xzN2LwviUl-V8kgRUemxy-WPeA_n14gCOHAec
TXTgoogle-site-verification=aJ5HZ4kAtU2ibH2_RdwrlmhxwhvIbIOx1mNsGeC2zcw
TXTatlassian-sending-domain-verification=75f00680-a5b5-4cc0-80a5-a46475e8e08d
TXTatlassian-domain-verification=8NAPJwW/jrkeg3Dun5CXaVaXchYZKjJnnaSrUKIAeWLnr2V...
TXTv=spf1 ip4:77.236.206.44 ip4:90.182.120.153 include:spf-zoner-zmail.zoner.com...
SOAns1.regzone.czadministrator@czechia.cz 2026-07-23 #4

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=1786771043

Same first word

Similar names

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSns1.regzone.czns1.regzone.dens1.regzone.infoMXcbdata-cz.mail.protection.outlook.com10mx.zoner.com15mx.zoner.comrelay.zoner.comA173.249.20.159217.198.113.104217.198.114.101217.198.114.1792a00:19a0:3:71:0:d9c6:7168:12a00:19a0:3:72:0:d9c6:7265:12a00:19a0:3:72:0:d9c6:72b3:12a02:4a8:ac24:110::10:7731.15.10.77
NSns1.regzone.cz2015-07-19 → 2026-08-15 · 2 obs
● 2015-07-19 08:35:56
● 2026-08-15 05:47:56
NSns1.regzone.de2015-07-19 → 2026-08-15 · 2 obs
● 2015-07-19 08:35:56
● 2026-08-15 05:47:56
NSns1.regzone.info2015-07-19 → 2026-08-15 · 2 obs
● 2015-07-19 08:35:56
● 2026-08-15 05:47:56
MX10mx.zoner.com2015-07-19 → 2018-12-11 · 4 obs
● 2015-07-19 08:35:56
● 2018-12-11 07:24:12
○ 2026-03-17 04:04:16
○ 2026-08-15 05:47:56
MX15mx.zoner.com2015-07-19 → 2018-12-11 · 4 obs
● 2015-07-19 08:35:56
● 2018-12-11 07:24:12
○ 2026-03-17 04:04:16
○ 2026-08-15 05:47:56
MXcbdata-cz.mail.protection.outlook.com2026-03-17 → 2026-08-15 · 3 obs
○ 2018-12-11 07:24:12
● 2026-03-17 04:04:16
● 2026-08-15 05:47:56
MXrelay.zoner.com2015-07-19 → 2018-12-11 · 4 obs
● 2015-07-19 08:35:56
● 2018-12-11 07:24:12
○ 2026-03-17 04:04:16
○ 2026-08-15 05:47:56
A173.249.20.1592026-03-17 → 2026-08-15 · 3 obs
○ 2018-12-11 07:24:12
● 2026-03-17 04:04:16
● 2026-08-15 05:47:56
A217.198.113.1042015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 08:35:56
○ 2015-12-01 20:08:20
○ 2026-08-15 05:47:56
A217.198.114.1012015-12-01 → 2016-07-10 · 5 obs
○ 2015-07-19 08:35:56
● 2015-12-01 20:08:20
● 2016-07-10 13:49:28
○ 2017-02-19 12:33:24
○ 2026-08-15 05:47:56
A217.198.114.1792017-02-19 → 2017-02-19 · 4 obs
○ 2016-07-10 13:49:28
● 2017-02-19 12:33:24
○ 2018-12-11 07:24:12
○ 2026-08-15 05:47:56
A2a00:19a0:3:71:0:d9c6:7168:12015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 08:35:56
○ 2015-12-01 20:08:20
○ 2026-08-15 05:47:56
A2a00:19a0:3:72:0:d9c6:7265:12015-12-01 → 2016-07-10 · 5 obs
○ 2015-07-19 08:35:56
● 2015-12-01 20:08:20
● 2016-07-10 13:49:28
○ 2017-02-19 12:33:24
○ 2026-08-15 05:47:56
A2a00:19a0:3:72:0:d9c6:72b3:12017-02-19 → 2017-02-19 · 4 obs
○ 2016-07-10 13:49:28
● 2017-02-19 12:33:24
○ 2018-12-11 07:24:12
○ 2026-08-15 05:47:56
A2a02:4a8:ac24:110::10:772018-12-11 → 2018-12-11 · 4 obs
○ 2017-02-19 12:33:24
● 2018-12-11 07:24:12
○ 2026-03-17 04:04:16
○ 2026-08-15 05:47:56
A31.15.10.772018-12-11 → 2018-12-11 · 4 obs
○ 2017-02-19 12:33:24
● 2018-12-11 07:24:12
○ 2026-03-17 04:04:16
○ 2026-08-15 05:47:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz-
cbdata.czns1.regzone.cz, ns1.regzone.de, ns1.regzone.info2 records

✅ Authoritative Response

Server:23.92.29.43

NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1928ms | Queries: -

📄 Records

TypeCountSample Data
A1173.249.20.159
NS3ns1.regzone.cz, ns1.regzone.de...
MX1cbdata-cz.mail.protection.outlook.com (p
TXT91password-site-verification=IXBWHB4PYRCH, anthropic-domain-verification-p8np2n=1Wp...
SOA1ns1.regzone.cz administrator.czechia.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)

Analysis

IP Addresses

cbdata.cz has exactly one IP address — 173.249.20.159.

cbdata.sk and tech4bet.eu are among other host names that share IP numbers with cbdata.cz.

Name Servers

cbdata.cz carries NS records delegating to ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

The name servers of cbdata.cz overlap at least partially with those of other domains — among them zskamenice.cz, mattechcz.eu, elektrovitamin.cz and two more.

ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info are three hostnames that each resolve to a pair of IP addresses: ns1.regzone.cz to 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1, ns1.regzone.de to 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7, and ns1.regzone.info to 81.0.233.10 and 2001:1528:147::10.

Mail Servers

cbdata.cz uses one mail server — cbdata-cz.mail.protection.outlook.com.

cbdata-cz.mail.protection.outlook.com has 8 IP addresses: 52.101.68.3, 52.101.68.25, 52.101.68.36 plus 5 more.