`github.cz`

DNSSEC	🔒 Signed (DS record present)
NS	`ns.kraxnet.cz` ⭐
		A	2001:67c:48::53^{🇨🇿 KRAXNET-AS2001:67c:48::/48 XNET}
		A	178.217.247.2^{🇨🇿 KRAXNET-AS178.217.240.0/21 KRAXNET s.r.o.}
			PTR	`ns.kraxnet.cz`
NS	`ns.kraxnet.com`
		A	212.24.155.205^{🇨🇿 QUANTCOM-AS212.24.128.0/19 Dial Telecom, a.s.}
SOA	`ns.kraxnet.cz`admin@kraxnet.cz 2026-05-31 #1

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1780582637

Same first word

github.ltd

github.partners

github.co.in

github.be

github.app

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github.ro

github.lv

github.fm

github.online

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github.forum

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github.name

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github.academy

github.lu

github.site

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github.su

github.de

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github.in

github.pw

github.md

github.no

github.run

github.s3.amazonaws.com

github.hu

github.com.ru

github.careers

github.com.br

github.co.jp

github.compare

github.global.ssl.fastly.net

github.nl

github.co.uk

github.to

github.team

github.dev

github.market

github.gg

github.ai

github.lt

github.xyz

github.org

github.org.uk

github.fi

github.nu

github.biz

github.actor

github.london

github.help

github.fr

github.info

github.ch

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github.media

github.luxe

github.net.cn

github.sg

github.gr

github.map.fastly.net

github.events

github.cool

github.blog

github.earth

github.hl.cn

github.ru

github.se

github.party

github.com.au

github.io

github.com

github.at

github.community

github.computer

github.net

github.tv

github.co

github.nz

github.casino

github.jp

github.free

github.co.kr

github.hk.cn

github.es

github.cz

github.audio

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bithug.net

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DNS History

2 records (2 active, 0 former)

●NSns.kraxnet.com2015-08-20 → 2026-06-04 · 2 obs

● 2015-08-20 10:25:46
● 2026-06-04 14:29:46

●NSns.kraxnet.cz2015-08-20 → 2026-06-04 · 2 obs

● 2015-08-20 10:25:46
● 2026-06-04 14:29:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
github.cz	ns.kraxnet.com, ns.kraxnet.cz	2 records

✅ Authoritative Response

Server:212.24.155.205

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1164ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns.kraxnet.com, ns.kraxnet.cz`
SOA	1	`ns.kraxnet.cz admin.kraxnet.cz`

📌 Glue Records Collected

Total: 2

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

Analysis

Name Servers

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

github.cz has the same name server delegation as a number of other domains, such as namytine.cz, futaba.cz, chemiterm.cz and two more.

github.cz has a partial name server overlap with other domains — among them zubni.net and onlinefaktury.net.

It is common to see these name servers used together with name servers ns.fortion.cz and ns.fortion.net.

Hosts with two IP numbers each:

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

Host names with one IP number:

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

github.cz - dns.ninja

github.cz

cz