react.cz - dns.ninja

`react.cz`

DNSSEC	⚠️ Not signed
NS	`delta1.rdrhost.com` ⚠️ Not in zone NS records
		A	95.179.200.197^{🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix}
			PTR	`95.179.200.197.vultrusercontent.com`
NS	`delta2.rdrhost.com` ⚠️ Not in zone NS records
		A	192.248.170.43^{🇬🇧 AS-VULTR192.248.160.0/20 Vultr Assigned Prefix}
			PTR	`192.248.170.43.vultrusercontent.com`

`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=1784866641

Subdomains

mail.react.cz

Same first word

react.email

react.careers

react.re

react.tempurl.host

react.su

react.bz

react.expert

react.li

react.cz

react.education

react.cash

react.design

react.run

react.express

react.com

react.id

react.no

react.fm

react.ru

react.app

react.ir

react.cn

react.me

react.media

react.com.sg

react.gg

react.asia

react.org

react.school

react.guide

react.network

react.to

react.group

react.rocks

react.cc

react.rodeo

react.ly

react.at

react.ag

react.tips

react.net.au

react.bot

react.co.nz

react.services

react.io

react.lv

react.domains

react.gr

react.hk

react.university

react.community

react.doctor

react.org.cn

react.technology

react.london

react.lu

react.com.ua

react.dk

react.mobi

react.com.ar

react.courses

react.com.br

react.fi

react.live

react.or.ke

react.pl

react.coffee

react.lighting

react.amsterdam

react.org.ph

react.christmas

react.nl

react.net

react.la

react.dev

react.pt

react.tokyo

react.international

react.parts

react.co

react.it

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DNS History

14 records (2 active, 12 former)

○NS1.ns.gigaserver.cz2015-07-23 → 2018-10-03 · 4 obs

● 2015-07-23 11:20:04
● 2018-10-03 09:39:44
○ 2026-02-22 15:03:22
○ 2026-07-24 05:00:48

○NS2.ns.gigaserver.cz2015-07-23 → 2018-10-03 · 4 obs

● 2015-07-23 11:20:04
● 2018-10-03 09:39:44
○ 2026-02-22 15:03:22
○ 2026-07-24 05:00:48

○NS3.ns.gigaserver.cz2015-07-23 → 2018-10-03 · 4 obs

● 2015-07-23 11:20:04
● 2018-10-03 09:39:44
○ 2026-02-22 15:03:22
○ 2026-07-24 05:00:48

○NS4.ns.gigaserver.cz2015-07-23 → 2018-10-03 · 4 obs

● 2015-07-23 11:20:04
● 2018-10-03 09:39:44
○ 2026-02-22 15:03:22
○ 2026-07-24 05:00:48

●NSdelta1.rdrhost.com2026-02-24 → 2026-07-24 · 3 obs

○ 2026-02-22 15:03:22
● 2026-02-24 17:39:58
● 2026-07-24 05:00:48

●NSdelta2.rdrhost.com2026-02-24 → 2026-07-24 · 3 obs

○ 2026-02-22 15:03:22
● 2026-02-24 17:39:58
● 2026-07-24 05:00:48

○NSns.parktons.com2026-02-24 → 2026-02-24 · 3 obs

○ 2026-02-22 15:03:22
● 2026-02-24 17:39:58
○ 2026-07-24 05:00:48

○NSns1.netio.cz2026-02-22 → 2026-02-22 · 4 obs

○ 2018-10-03 09:39:44
● 2026-02-22 15:03:22
○ 2026-02-24 17:39:58
○ 2026-07-24 05:00:48

○NSns2.netio.cz2026-02-22 → 2026-02-22 · 4 obs

○ 2018-10-03 09:39:44
● 2026-02-22 15:03:22
○ 2026-02-24 17:39:58
○ 2026-07-24 05:00:48

○NSns3.netio.cz2026-02-22 → 2026-02-22 · 4 obs

○ 2018-10-03 09:39:44
● 2026-02-22 15:03:22
○ 2026-02-24 17:39:58
○ 2026-07-24 05:00:48

○MXmail.parktons.com2026-02-24 → 2026-02-24 · 3 obs

○ 2026-02-22 15:03:22
● 2026-02-24 17:39:58
○ 2026-07-24 05:00:48

○MXmail.react.cz2015-07-23 → 2018-10-03 · 4 obs

● 2015-07-23 11:20:04
● 2018-10-03 09:39:44
○ 2026-02-22 15:03:22
○ 2026-07-24 05:00:48

○A85.118.128.432015-07-23 → 2018-10-03 · 4 obs

● 2015-07-23 11:20:04
● 2018-10-03 09:39:44
○ 2026-02-22 15:03:22
○ 2026-07-24 05:00:48

○A95.179.200.1972026-02-24 → 2026-02-24 · 3 obs

○ 2026-02-22 15:03:22
● 2026-02-24 17:39:58
○ 2026-07-24 05:00:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
react.cz	delta1.rdrhost.com, delta2.rdrhost.com	-

✅ Authoritative Response

Server:192.248.170.43

NS records: delta1.rdrhost.com, delta2.rdrhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for react.cz (unsigned zone)

⏱️ Timing

Total: 2042ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`95.179.200.197`
NS	2	`delta1.rdrhost.com, delta2.rdrhost.com`
MX	1	`mail.parktons.com (pri: 10)`
SOA	1	`ns.parktons.com root.parktons.com`

Analysis

Hierarchy

react.cz is a parent domain of mail.react.cz.

Name Servers

DNS delegation for react.cz points to two name servers: delta1.rdrhost.com and delta2.rdrhost.com.

react.cz shares its NS records with other domains, for example bur.cz, blg.cz, allma.cz and two others.

react.cz shares at least some of its name servers with other domains, including mail.rozboril.cz, mail.onlinemeeting.cz, ruba.cz and two others.

These name servers are frequently seen alongside the name servers ns.parktons.com.

delta1.rdrhost.com and delta2.rdrhost.com each resolve to one IP number: delta1.rdrhost.com points to 95.179.200.197 and delta2.rdrhost.com points to 192.248.170.43.