computing.cz - robtex.com

computing.cz

DNSSEC⚠️ Not signed
NSns1.one.cz ⚠️ Not in zone NS records
A2001:470:6f:864::1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.one.cz
A46.149.113.151🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o.
PTRns1.one.cz
NSns2.one.cz ⚠️ Not in zone NS records
A193.85.20.140🇨🇿 TMOBILE-CZ193.85.0.0/16 T-Mobile Czech Republic a.s.
PTRns2.one.cz
NSns3.one.cz ⚠️ Not in zone NS records
A2001:470:6f:30f::1:1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.one.cz
A46.149.113.187🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o.
PTRns3.one.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=1785030444

Same first word

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computing.training
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computing.altervista.org
computing.com
computing.com.br
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computing.co.uk
computing.co
computing.pk
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computing.center
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computing.com.pk
computing.cz
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computing.biz
computing.at
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computing.land

DNS History

8 records (3 active, 5 former)

20162017201820192020202120222023202420252026NSns1.one.czns2.one.czns3.one.czns.pipni.czns2.pipni.czMXmail.computing.czns3.pipni.czA93.185.104.28
○NSns.pipni.cz2015-06-08 → 2017-06-24 · 4 obs
● 2015-06-08 22:44:58
● 2017-06-24 02:24:36
○ 2026-06-15 13:44:24
○ 2026-07-26 02:34:18
●NSns1.one.cz2026-06-15 → 2026-07-26 · 3 obs
○ 2017-06-24 02:24:36
● 2026-06-15 13:44:24
● 2026-07-26 02:34:18
●NSns2.one.cz2026-06-15 → 2026-07-26 · 3 obs
○ 2017-06-24 02:24:36
● 2026-06-15 13:44:24
● 2026-07-26 02:34:18
○NSns2.pipni.cz2015-06-08 → 2017-06-24 · 4 obs
● 2015-06-08 22:44:58
● 2017-06-24 02:24:36
○ 2026-06-15 13:44:24
○ 2026-07-26 02:34:18
●NSns3.one.cz2026-06-15 → 2026-07-26 · 3 obs
○ 2017-06-24 02:24:36
● 2026-06-15 13:44:24
● 2026-07-26 02:34:18
○MXmail.computing.cz2015-06-08 → 2017-06-24 · 4 obs
● 2015-06-08 22:44:58
● 2017-06-24 02:24:36
○ 2026-06-15 13:44:24
○ 2026-07-26 02:34:18
○MXns3.pipni.cz2015-06-08 → 2017-06-24 · 4 obs
● 2015-06-08 22:44:58
● 2017-06-24 02:24:36
○ 2026-06-15 13:44:24
○ 2026-07-26 02:34:18
○A93.185.104.282015-06-08 → 2017-06-24 · 4 obs
● 2015-06-08 22:44:58
● 2017-06-24 02:24:36
○ 2026-06-15 13:44:24
○ 2026-07-26 02:34:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
computing.czns1.one.cz, ns2.one.cz, ns3.one.cz5 records

✅ Authoritative Response

Server:46.149.113.151

NS records: ns1.one.cz, ns2.one.cz, ns3.one.cz

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for computing.cz

⏱️ Timing

Total: 1011ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 13

In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Out-of-bailiwick: 5 (ns1.one.cz, ns1.one.cz, ns2.one.cz...)

Analysis

Name Servers

computing.cz is delegated to three name servers: ns1.one.cz, ns2.one.cz and ns3.one.cz.

The name servers of computing.cz overlap at least partially with those of other domains — among them francotyp.cz, registruj.sk, 4l.cz and two more.

Host names that have two IP addresses:

ns1.one.cz points to 46.149.113.151 and 2001:470:6f:864::1.

ns3.one.cz points to 46.149.113.187 and 2001:470:6f:30f::1:1.

Host names that point to one IP address:

ns2.one.cz points to 193.85.20.140.