`code.gov.cz`

DNSSEC	⚠️ Not signed
A	2a01:7e01::f03c:93ff:fe3b:871d^{🇩🇪 AKAMAI-LINODE-AP2a01:7e01::/32 Akamai Technologies}
		PTR	`code.gov.cz`
A	172.104.252.162^{🇩🇪 AKAMAI-LINODE-AP172.104.224.0/19 Akamai Technologies}
NS	`a.ns.nic.cz` ⭐ ⚠️ Not in parent delegation
		A	2001:678:f::1^{🇨🇿 CZNIC-AS2001:678:f::/48 CZ.NIC, z.s.p.o. - anycast DNS}
			PTR	`a.ns.nic.cz`
		A	194.0.12.1^{🇨🇿 CZNIC-AS194.0.12.0/24 Anycasted .cz DNS servers}
			PTR	`a.ns.nic.cz`
NS	`b.ns.nic.cz` ⚠️ Not in parent delegation
		A	2001:678:10::1^{🇨🇿 CZNIC-AS2001:678:10::/48 CZ.NIC, z.s.p.o. - anycast DNS}
			PTR	`b.ns.nic.cz`
		A	194.0.13.1^{🇨🇿 CZNIC-AS194.0.13.0/24 Anycasted .cz DNS servers}
			PTR	`b.ns.nic.cz`
NS	`c.ns.nic.cz` ⚠️ Not in parent delegation
		A	2001:678:11::1^{🇨🇿 CZNIC-AS22001:678:11::/48 CZ.NIC, z.s.p.o. - anycast DNS}
			PTR	`c.ns.nic.cz`
		A	194.0.14.1^{🇨🇿 CZNIC-AS2194.0.14.0/24 Anycasted .cz DNS servers}
			PTR	`c.ns.nic.cz`
NS	`d.ns.nic.cz` ⚠️ Not in parent delegation
		A	2001:678:1::1^{🇨🇿 CZNIC-AS22001:678:1::/48 CZ.NIC, z.s.p.o. - anycast DNS}
			PTR	`d.ns.nic.cz`
		A	193.29.206.1^{🇨🇿 CZNIC-AS2193.29.206.0/24 Anycasted .cz DNS servers}
			PTR	`d.ns.nic.cz`
MX	`mx.otevrenamesta.cz` ⭐
		A	194.195.243.56^{🇩🇪 AKAMAI-LINODE-AP194.195.240.0/21 Akamai Technologies}
			PTR	`mx.otevrenamesta.cz`
TXT	`_5jnnlllhfwsg787x13nkegs2p0cjakm`
TXT	`v=spf1 include:_spf.otevrenamesta.cz mx ~all`
SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1781187603

`gov.cz`

	DNSSEC	⚠️ Not signed
	A	2a03:2320:b944:1c60::96^{🇨🇿 PLZ-AS-CZ2a03:2320::/32 IP address space Plzensky kraj}
	A	94.199.45.233^{🇨🇿 GOVCZ94.199.45.0/24 MINISTERSTVO VNITRA CR}
	NS	`a.ns.nic.cz` ⭐ ⚠️ Not in parent delegation
	NS	`b.ns.nic.cz` ⚠️ Not in parent delegation
	NS	`c.ns.nic.cz` ⚠️ Not in parent delegation
	NS	`d.ns.nic.cz` ⚠️ Not in parent delegation
	MX	`smtp-cms.gov.cz` ⭐
	TXT	`84fbbc36b561f1e28beb749bbaec47db3b82f0ebf33cea1d1d1543ddb408abb1`
	TXT	`v=spf1 a:relay1.gov.cz a:relay2.gov.cz ip4:185.17.213.1 ip4:185.17.213.129 -all`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1781166303

WOT: SAFE (62/100)
WOT: SAFE (73/100)
📈 Tranco rank: #149,964

PTR for

d.1.7.8.b.3.e.f.f.f.3.9.c.3.0.f.0.0.0.0.0.0.0.0.1.0.e.7.1.0.a.2.ip6.arpa

Same first word

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code.catering

code.community

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code.mil

code.show

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code.bike

code.gold

code.pt

code.co.il

code.guide

code.gov.mn

code.run

code.cooking

code.org

code.so

code.ly

code.ltda

code.vc

code.li

code.qa

code.ks.ua

code.archi

code.tw

code.market

code.kim

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code.recipes

code.co.kr

code.graphics

code.google

code.azureedge.net

code.ua

code.co.ro

code.capital

code.je

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code.fm

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code.news

code.kiwi

code.hu

code.sg

code.limited

code.app

code.foundation

code.hr

code.on.ca

code.web.id

code.ren

code.dk

code.sa

code.al

code.tf

code.com.tr

code.ro

code.lt

code.bm

code.tv

code.ba

code.surf

code.be

code.sd

code.house

code.camp

code.ps

code.pizza

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code.ventures

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code.academy

code.si

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code.international

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code.support

code.io

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code.co

code.web.tr

code.fit

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code.gov

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code.com.ar

code.xyz

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code.blog

code.ae

code.salon

code.servebbs.net

code.com

code.as

code.no

code.us

code.care

code.wf

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code.cruises

code.events

code.is

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code.de

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deco.global

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edoc.it

cedo.eu

deco.co

doce.ws

ecod.es

edco.se

deco.technology

cedo.be

doec.net

edoc.com

ecod.online

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odec.es

edoc.koeln

deco.media

edoc.com.ua

edoc.fr

edco.tech

edoc.dk

odec.co.uk

edco.me

deco.kz

coed.org

edoc.care

ceod.com

deco.com.sa

cedo.ro

dcoe.cn

doce.ru

deco.de

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deco.ink

ocde.us

edoc.se

odec.info

edoc.ch

ceod.cl

edco.org

DNS History

7 records (7 active, 0 former)

●NSa.ns.nic.cz2026-03-30 → 2026-06-11 · 2 obs

● 2026-03-30 06:47:06
● 2026-06-11 16:17:46

●NSb.ns.nic.cz2026-03-30 → 2026-06-11 · 2 obs

● 2026-03-30 06:47:06
● 2026-06-11 16:17:46

●NSc.ns.nic.cz2026-03-30 → 2026-06-11 · 2 obs

● 2026-03-30 06:47:06
● 2026-06-11 16:17:46

●NSd.ns.nic.cz2026-03-30 → 2026-06-11 · 2 obs

● 2026-03-30 06:47:06
● 2026-06-11 16:17:46

●MXmx.otevrenamesta.cz2026-03-30 → 2026-06-11 · 2 obs

● 2026-03-30 06:47:06
● 2026-06-11 16:17:46

●A172.104.252.1622026-03-30 → 2026-06-11 · 2 obs

● 2026-03-30 06:47:06
● 2026-06-11 16:17:46

●A2a01:7e01::f03c:93ff:fe3b:871d2026-03-30 → 2026-06-11 · 2 obs

● 2026-03-30 06:47:06
● 2026-06-11 16:17:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz	-

✅ Authoritative Response

Server:193.29.206.1

NS records: c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2569ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.252.162`
AAAA	1	`2a01:7e01::f03c:93ff:fe3b:871d`
NS	4	`a.ns.nic.cz, b.ns.nic.cz...`
MX	1	`mx.otevrenamesta.cz (pri: 10)`
TXT	2	`_5jnnlllhfwsg787x13nkegs2p0cjakm, v=spf1 include:_spf.otevrenamesta.cz mx`
SOA	1	`a.ns.nic.cz hostmaster.nic.cz`

Analysis

IP Addresses

code.gov.cz points to two IP numbers: 172.104.252.162 and 2a01:7e01::f03c:93ff:fe3b:871d.

Name Servers

code.gov.cz is delegated to four name servers, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz and d.ns.nic.cz.

code.gov.cz partially shares its NS delegation with several other domains, including nic.cz, mojeid.cz, cuzk.gov.cz and two others.

a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz and d.ns.nic.cz each carry two IP addresses. a.ns.nic.cz has 194.0.12.1 and 2001:678:f::1; b.ns.nic.cz has 194.0.13.1 and 2001:678:10::1; c.ns.nic.cz has 194.0.14.1 and 2001:678:11::1; d.ns.nic.cz has 193.29.206.1 and 2001:678:1::1.

Mail Servers

code.gov.cz uses one mail server — mx.otevrenamesta.cz.

mx.otevrenamesta.cz resolves to 194.195.243.56 and no other IP number.

code.gov.cz - dns.ninja

code.gov.cz

gov.cz

PTR for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`code.gov.cz`

`gov.cz`