`7.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2011::5^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.211^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`fm.mus.cz` ⭐
		A	195.39.19.13^{🇨🇿 TMOBILE-CZ195.39.0.0/17 T-Mobile Czech Republic a.s.}
			PTR	`ndmovfm01.mus.cz`
TXT	`MS=ms66076729`
TXT	`5MdsEnTYdwUfqG0uBGbpULCh0uY9S9XtK41KTCh2P2JfNe3d1kxocZHFCJdeNTiOrmhG1HVtfft9C...`
TXT	`v=spf1 a:fm.mus.cz ip4:90.182.90.102 ip4:90.182.90.103 ip4:195.39.19.14 ip4:9...`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1773303178

`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=1774403237

WOT: SAFE (59/100)

Same first word

7.srl

7.com.my

7.st

7.to

7.org

7.cr

7.io

7.cl

7.ro

7.vg

7.he.cn

7.dk

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7.co.kr

7.co.uk

7.edu.vn

7.ac.cn

7.at

7.kr.ua

7.uk

7.dev

7.co

7.net.cn

7.yolasite.com

7.wtf

7.ag

7.plus

7.rich

7.ink

7.media

7.s3.amazonaws.com

7.com.vn

7.ws

7.cash

7.tj.cn

7.cc

7.dog

7.ki

7.ly

7.agency

7.exchange

7.de

7.je

7.ai

7.hm

7.co.at

7.ls

7.hn

7.show

7.se

7.wedding

7.casino

7.hk.cn

7.kz

7.pe

7.is

7.com.pl

7.canva-apps.cn

7.cn

7.co.za

7.mba

7.zip

7.pl

7.am

7.my

7.biz

7.gg

7.fm

7.run

7.wiki

7.org.nz

7.cg

7.fr

7.coop

7.cx

7.new

7.ms

7.tv

7.ke

7.la

7.gold

7.camera

7.bet

7.mw

7.kg

7.ua

7.ac

7.cz

7.mk

DNS History

18 records (6 active, 12 former)

○NSalfa.ns.active24.cz2015-08-06 → 2018-03-09 · 5 obs

○ 2008-10-20 15:31:04
● 2015-08-06 19:56:50
● 2018-03-09 12:10:54
○ 2026-03-24 06:46:38
○ 2026-03-25 02:16:56

○NSbeta.ns.active24.cz2015-08-06 → 2018-03-09 · 5 obs

○ 2008-10-20 15:31:04
● 2015-08-06 19:56:50
● 2018-03-09 12:10:54
○ 2026-03-24 06:46:38
○ 2026-03-25 02:16:56

○NSgama.ns.active24.sk2015-08-06 → 2018-03-09 · 5 obs

○ 2008-10-20 15:31:04
● 2015-08-06 19:56:50
● 2018-03-09 12:10:54
○ 2026-03-24 06:46:38
○ 2026-03-25 02:16:56

○NSns1.one.cz2008-10-20 → 2008-10-20 · 3 obs

● 2008-10-20 15:31:04
○ 2015-08-06 19:56:50
○ 2026-03-25 02:16:56

●NSns1.websupport.cz2026-03-24 → 2026-03-25 · 3 obs

○ 2018-03-09 12:10:54
● 2026-03-24 06:46:38
● 2026-03-25 02:16:56

○NSns2.one.cz2008-10-20 → 2008-10-20 · 3 obs

● 2008-10-20 15:31:04
○ 2015-08-06 19:56:50
○ 2026-03-25 02:16:56

●NSns2.websupport.cz2026-03-24 → 2026-03-25 · 3 obs

○ 2018-03-09 12:10:54
● 2026-03-24 06:46:38
● 2026-03-25 02:16:56

●NSns3.websupport.eu2026-03-24 → 2026-03-25 · 3 obs

○ 2018-03-09 12:10:54
● 2026-03-24 06:46:38
● 2026-03-25 02:16:56

●MXfm.mus.cz2026-03-24 → 2026-03-25 · 3 obs

○ 2018-03-09 12:10:54
● 2026-03-24 06:46:38
● 2026-03-25 02:16:56

○MXmail1.sedm.cz2015-08-06 → 2017-10-19 · 5 obs

○ 2008-10-20 15:31:04
● 2015-08-06 19:56:50
● 2017-10-19 03:58:14
○ 2018-03-09 12:10:54
○ 2026-03-25 02:16:56

○MXpanda.bk.cz2008-10-20 → 2008-10-20 · 3 obs

● 2008-10-20 15:31:04
○ 2015-08-06 19:56:50
○ 2026-03-25 02:16:56

○MXseg3.sev-en.cz2018-03-09 → 2018-03-09 · 4 obs

○ 2017-10-19 03:58:14
● 2018-03-09 12:10:54
○ 2026-03-24 06:46:38
○ 2026-03-25 02:16:56

○MXseg4.sev-en.cz2018-03-09 → 2018-03-09 · 4 obs

○ 2017-10-19 03:58:14
● 2018-03-09 12:10:54
○ 2026-03-24 06:46:38
○ 2026-03-25 02:16:56

○MXsmtp.tripos.cz2008-10-20 → 2008-10-20 · 3 obs

● 2008-10-20 15:31:04
○ 2015-08-06 19:56:50
○ 2026-03-25 02:16:56

○A195.39.19.472015-08-06 → 2018-03-09 · 5 obs

○ 2008-10-20 15:31:04
● 2015-08-06 19:56:50
● 2018-03-09 12:10:54
○ 2026-03-24 06:46:38
○ 2026-03-25 02:16:56

●A2a00:4b40:aaaa:2011::52026-03-24 → 2026-03-25 · 3 obs

○ 2018-03-09 12:10:54
● 2026-03-24 06:46:38
● 2026-03-25 02:16:56

●A37.9.175.2112026-03-24 → 2026-03-25 · 3 obs

○ 2018-03-09 12:10:54
● 2026-03-24 06:46:38
● 2026-03-25 02:16:56

○A93.99.21.672008-10-20 → 2008-10-20 · 3 obs

● 2008-10-20 15:31:04
○ 2015-08-06 19:56:50
○ 2026-03-25 02:16:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz	-
7.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.211`
AAAA	1	`2a00:4b40:aaaa:2011::5`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	1	`fm.mus.cz (pri: 10)`
TXT	3	`MS=ms66076729, 5MdsEnTYdwUfqG0uBGbpULCh0uY9S9XtK41KTCh2...`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

7.cz points to two IP numbers: 2a00:4b40:aaaa:2011::5 and 37.9.175.211.

Other host names, for instance cafin.cz, www.dimer.cz, cvtuber.eu, mobilcash.cz and ihelp.cz share IP numbers with 7.cz.

Name Servers

The delegation for 7.cz is handled by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

7.cz at least partially shares name servers with other domains, for instance pdspbystre.sk, d4plays.com, martian.cz, fipolo.com and vigdata.cz.

these name servers are commonly used with ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

Two IP numbers per host:

ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11.

ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12.

ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13.

Mail Servers

7.cz is handled by a single mail server, fm.mus.cz.

7.cz uses the same mail server configuration as other domains, such as vuas.cz, rekultivace-most.cz, mailtest.infotea.cz, sev-en.cz and sedm.cz.

7.cz shares mail servers with other domains, at least partially, for instance mus.cz and infotea.cz.

These mail servers are often used together with the mail servers seg4.sev-en.cz.

fm.mus.cz points to a single IP: 195.39.19.13.

7.cz - robtex.com

7.cz

cz

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`7.cz`

`cz`