mrazik.cz - robtex.com

mrazik.cz

DNSSEC⚠️ Not signed
NSns.kraxnet.com ⚠️ Not in zone NS records
A212.24.155.205🇨🇿 QUANTCOM-AS212.24.128.0/19 Dial Telecom, a.s.
NSns.kraxnet.cz ⚠️ Not in zone NS records
A2001:67c:48::53🇨🇿 KRAXNET-AS2001:67c:48::/48 XNET
A178.217.247.2🇨🇿 KRAXNET-AS178.217.240.0/21 KRAXNET s.r.o.
PTRns.kraxnet.cz

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=1784049438

Same first word

mrazik.eu
mrazik.sk
mrazik.com
mrazik.net
mrazik.cz

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DNS History

9 records (2 active, 7 former)

20162017201820192020202120222023202420252026NSns.kraxnet.comns.kraxnet.czns.gransy.comns2.gransy.comns3.gransy.comns4.gransy.comns5.gransy.comMXmail.mrazik.czA77.78.104.3
○NSns.gransy.com2015-06-12 → 2017-05-26 · 4 obs
● 2015-06-12 21:24:12
● 2017-05-26 18:51:48
○ 2026-06-13 08:49:52
○ 2026-07-14 18:02:00
●NSns.kraxnet.com2026-06-13 → 2026-07-14 · 3 obs
○ 2017-05-26 18:51:48
● 2026-06-13 08:49:52
● 2026-07-14 18:02:00
●NSns.kraxnet.cz2026-06-13 → 2026-07-14 · 3 obs
○ 2017-05-26 18:51:48
● 2026-06-13 08:49:52
● 2026-07-14 18:02:00
○NSns2.gransy.com2015-06-12 → 2017-05-26 · 4 obs
● 2015-06-12 21:24:12
● 2017-05-26 18:51:48
○ 2026-06-13 08:49:52
○ 2026-07-14 18:02:00
○NSns3.gransy.com2015-06-12 → 2017-05-26 · 4 obs
● 2015-06-12 21:24:12
● 2017-05-26 18:51:48
○ 2026-06-13 08:49:52
○ 2026-07-14 18:02:00
○NSns4.gransy.com2015-06-12 → 2017-05-26 · 4 obs
● 2015-06-12 21:24:12
● 2017-05-26 18:51:48
○ 2026-06-13 08:49:52
○ 2026-07-14 18:02:00
○NSns5.gransy.com2015-06-12 → 2017-05-26 · 4 obs
● 2015-06-12 21:24:12
● 2017-05-26 18:51:48
○ 2026-06-13 08:49:52
○ 2026-07-14 18:02:00
○MXmail.mrazik.cz2015-06-12 → 2017-05-26 · 4 obs
● 2015-06-12 21:24:12
● 2017-05-26 18:51:48
○ 2026-06-13 08:49:52
○ 2026-07-14 18:02:00
○A77.78.104.32015-06-12 → 2017-05-26 · 4 obs
● 2015-06-12 21:24:12
● 2017-05-26 18:51:48
○ 2026-06-13 08:49:52
○ 2026-07-14 18:02:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
mrazik.czns.kraxnet.cz, ns.kraxnet.com2 records

✅ Authoritative Response

Server:212.24.155.205

NS records: ns.kraxnet.cz, ns.kraxnet.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for mrazik.cz

⏱️ Timing

Total: 1296ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.kraxnet.cz, ns.kraxnet.cz)

Analysis

Name Servers

mrazik.cz is served by two delegated name servers, ns.kraxnet.com and ns.kraxnet.cz.

mrazik.cz uses the same name servers as several other domains — among them peregrin.cz, foodline.cz, memorex.cz and two more.

Hostnames that resolve to two IP addresses:

ns.kraxnet.cz maps to two IP addresses — 178.217.247.2 and 2001:67c:48::53.

Hosts with just one IP address:

ns.kraxnet.com points to the IP address 212.24.155.205.