`1st.cz`

DNSSEC	🔒 Signed (DS record present)
A	2001:15e8:110:7d00::155^{🇨🇿 INTERNET-CZ2001:15e8::/32}
A	80.211.205.159^{🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s.}
NS	`ns1.tele3.cz` ⭐
		A	2001:1528:123::d01^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
			PTR	`ns1.tele3.cz`
		A	81.0.217.111^{🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT}
NS	`ns2.tele3.cz`
		A	2001:4de8:fa71:7e1e::d02^{🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.}
			PTR	`ns2.tele3.cz`
		A	95.80.251.222^{🇨🇿 QUANTCOM-AS95.80.192.0/18 Dial Telecom, a.s.}
			PTR	`ns2.tele3.cz`
NS	`ns3.tele3.eu`
		A	2a01:4f8:162:24c1::d03^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns3.tele3.eu`
		A	5.9.97.250^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
			PTR	`ns3.tele3.eu`
SOA	`ns1.tele3.cz`root@tele3.cz serial=1763020507

`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=1776082634

WOT: SAFE (68/100)

Same first word

1st.biz

1st.ws

1st.de

1st.md

1st.garden

1st.lu

1st.ir

1st.co.jp

1st.mn

1st.com.ph

1st.net.ua

1st.co.in

1st.moe

1st.education

1st.com.ua

1st.gr.jp

1st.si

1st.technology

1st.to

1st.racing

1st.sk

1st.it

1st.poker

1st.info

1st.com.vn

1st.tv

1st.ee

1st.supplies

1st.net

1st.game

1st.asia

1st.su

1st.bike

1st.space

1st.in

1st.finance

1st.fi

1st.mba

1st.domains

1st.fit

1st.ac

1st.news

1st.re

1st.limited

1st.ne.jp

1st.com.pl

1st.net.sa

1st.at

1st.nl

1st.ge

1st.solutions

1st.istanbul

1st.ch

1st.us

1st.com.cn

1st.college

1st.management

1st.se

1st.fm

1st.am

1st.jp

1st.ug

1st.chu.jp

1st.net.au

1st.airforce

1st.plus

1st.exchange

1st.academy

1st.estate

1st.app

1st.center

1st.ren

1st.mobi

1st.be

1st.hk

1st.io

1st.ca

1st.hu

1st.co.kr

1st.express

1st.cz

1st.ltd

1st.ski

1st.shop

1st.onl

1st.report

1st.com

1st.golf

Similar names

ts1.co.jp

s1t.eu

ts1.in

ts1.net

st1.cl

st1.at

st1.net.br

t1s.net

1ts.co.uk

s1t.co

ts1.at

st1.me

st1.dk

ts1.me

st1.nl

t1s.pl

ts1.ch

ts1.co.uk

s1t.cc

ts1.cz

ts1.dev

t1s.co.uk

st1.net

ts1.dk

t1s.biz

ts1.org

1ts.com.cn

ts1.biz

st1.no

ts1.com

ts1.no

ts1.de

st1.cz

1ts.at

st1.fi

st1.com

t1s.de

s1t.net

t1s.org

1ts.cc

t1s.us

ts1.com.ua

ts1.eu

1ts.fun

st1.ac.th

st1.ch

ts1.com.cn

ts1.nl

ts1.ru

ts1.dyndns.org

1ts.ru

st1.se

st1.one

1ts.com

1ts.pl

st1.ca

st1.eu

ts1.cn

1ts.info

st1.de

t1s.co.jp

1ts.cn

t1s.me

st1.cn

DNS History

10 records (5 active, 5 former)

●NSns1.tele3.cz2015-06-08 → 2026-04-13 · 2 obs

● 2015-06-08 09:07:34
● 2026-04-13 13:17:38

●NSns2.tele3.cz2015-06-08 → 2026-04-13 · 2 obs

● 2015-06-08 09:07:34
● 2026-04-13 13:17:38

○NSns3.tele3.cz2015-06-08 → 2016-12-17 · 4 obs

● 2015-06-08 09:07:34
● 2016-12-17 20:13:52
○ 2017-12-19 10:19:50
○ 2026-04-13 13:17:38

●NSns3.tele3.eu2017-12-19 → 2026-04-13 · 3 obs

○ 2016-12-17 20:13:52
● 2017-12-19 10:19:50
● 2026-04-13 13:17:38

○NSns4.tele3.eu2015-10-28 → 2016-12-17 · 5 obs

○ 2015-06-08 09:07:34
● 2015-10-28 04:33:04
● 2016-12-17 20:13:52
○ 2017-12-19 10:19:50
○ 2026-04-13 13:17:38

○NSns4.tele3.sk2015-06-08 → 2015-06-08 · 3 obs

● 2015-06-08 09:07:34
○ 2015-10-28 04:33:04
○ 2026-04-13 13:17:38

○NSns4.tele3.us2017-12-19 → 2017-12-19 · 4 obs

○ 2016-12-17 20:13:52
● 2017-12-19 10:19:50
○ 2026-04-06 22:53:24
○ 2026-04-13 13:17:38

●A2001:15e8:110:7d00::1552026-04-06 → 2026-04-13 · 3 obs

○ 2017-12-19 10:19:50
● 2026-04-06 22:53:24
● 2026-04-13 13:17:38

●A80.211.205.1592026-04-06 → 2026-04-13 · 3 obs

○ 2017-12-19 10:19:50
● 2026-04-06 22:53:24
● 2026-04-13 13:17:38

○A88.146.242.1832015-06-08 → 2017-12-19 · 4 obs

● 2015-06-08 09:07:34
● 2017-12-19 10:19:50
○ 2026-04-06 22:53:24
○ 2026-04-13 13:17:38

🔍 DNS Trace

Analysis

IP Addresses

1st.cz resolves to two IP numbers: 2001:15e8:110:7d00::155 and 80.211.205.159.

Other host names, for instance dzus.cz, zbrojniprukazy.cz, primaauto.cz, jasne.cz and svobodna.cz share IP numbers with 1st.cz.

Name Servers

1st.cz delegates to three name servers: ns1.tele3.cz, ns2.tele3.cz and ns3.tele3.eu.

1st.cz shares some name servers with other domains, for example cube-it.net, ajsa.cz, havajskamasaz.com, foxmer.sk and pneuservisy.info.

These name servers are commonly used together with ns4.tele3.us and ns3.tele3.cz.

Host names with two IP numbers:

ns1.tele3.cz: 2001:1528:123::d01 and 81.0.217.111

ns2.tele3.cz: 2001:4de8:fa71:7e1e::d02 and 95.80.251.222

ns3.tele3.eu: 2a01:4f8:162:24c1::d03 and 5.9.97.250

1st.cz - robtex.com

1st.cz

cz