ctc.cz - robtex.com

ctc.cz

DNSSEC🔒 Signed (DS record present)
A81.95.96.29🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1
PTRdefault.active24.cz
NSns.dns4.cz ⭐
A81.95.96.2🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1
PTRalfa.ns.active24.cz
NSalfa.ns.active24.cz
A2a02:4a8:ac24:100::96:2🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6
PTRalfa.ns.active24.cz
A81.95.96.2🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1
PTRalfa.ns.active24.cz
NSbeta.ns.active24.cz
A2a00:4b40:1000:590:185:111:90:94🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32
PTRbeta.ns.active24.cz
A185.111.90.94🇭🇺 WEBSUPPORT-SRO-SK-AS185.111.88.0/22
PTRbeta.ns.active24.cz
NSgama.ns.active24.sk
A2a00:1968:0:1002:185:71:158:30🇸🇪 LOOPIA32a00:1968::/48
PTRgama.ns.active24.sk
A185.71.158.30🇸🇪 LOOPIA3185.71.158.0/24
PTRgama.ns.active24.sk
SOAns.dns4.czhostmaster@active24.cz 2012-12-14 #1

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=1784666842

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DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSalfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skns.dns4.czA81.95.96.29
●NSalfa.ns.active24.cz2015-08-24 → 2026-07-21 · 2 obs
● 2015-08-24 21:11:42
● 2026-07-21 21:51:54
●NSbeta.ns.active24.cz2015-08-24 → 2026-07-21 · 2 obs
● 2015-08-24 21:11:42
● 2026-07-21 21:51:54
●NSgama.ns.active24.sk2015-08-24 → 2026-07-21 · 2 obs
● 2015-08-24 21:11:42
● 2026-07-21 21:51:54
●NSns.dns4.cz2015-08-24 → 2026-07-21 · 2 obs
● 2015-08-24 21:11:42
● 2026-07-21 21:51:54
●A81.95.96.292015-08-24 → 2026-07-21 · 2 obs
● 2015-08-24 21:11:42
● 2026-07-21 21:51:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
ctc.czbeta.ns.active24.cz, alfa.ns.active24.cz, gama.ns.active24.sk4 records

✅ Authoritative Response

Server:185.111.90.94

NS records: beta.ns.active24.cz, alfa.ns.active24.cz, gama.ns.active24.sk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1302ms | Queries: -

📄 Records

TypeCountSample Data
A181.95.96.29
NS3alfa.ns.active24.cz, beta.ns.active24.cz...
SOA1ns.dns4.cz hostmaster.active24.cz

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (beta.ns.active24.cz, alfa.ns.active24.cz, beta.ns.active24.cz...)

Analysis

IP Addresses

ctc.cz points to a single IP number: 81.95.96.29.

Additional host names — server.pkmail.cz, charliestcloudtdlu.blog.cz, jamiehincebiography.blog.cz and two others — share IP numbers with ctc.cz.

Name Servers

ctc.cz has four authoritative name servers: ns.dns4.cz, alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.

The name servers of ctc.cz overlap at least partially with those of other domains — among them projectneo.cz, feminaplus.cz, ecopaint.cz and two more.

These name servers commonly appear in combination with the name servers ns.dns4.net.

Host names with two IP numbers:

alfa.ns.active24.cz points to 81.95.96.2 and 2a02:4a8:ac24:100::96:2.

beta.ns.active24.cz points to 185.111.90.94 and 2a00:4b40:1000:590:185:111:90:94.

gama.ns.active24.sk points to 185.71.158.30 and 2a00:1968:0:1002:185:71:158:30.

Host names pointing to a single IP address:

ns.dns4.cz points to 81.95.96.2.

alfa.ns.active24.cz and ns.dns4.cz are host names that each point to 81.95.96.2 IP addresses.