`zrn.cz`

DNSSEC	⚠️ Not signed
A	89.221.213.99^{🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.}
		PTR	`hc1-wd98.wedos.net`
NS	`ns.wedos.net` ⭐
		A	2600:9000:a419:5a54:19f7:a614:36fd:2825^{🇺🇸 Amazon2600:9000:a400::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	2600:9000:a705:25bb:c632:5e5a:dd9c:1e46^{🇺🇸 Amazon2600:9000:a700::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	75.2.92.86^{🇺🇸 Amazon75.2.80.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
		A	99.83.142.9^{🇺🇸 Amazon99.83.128.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
NS	`ns.wedos.com`
		A	2a0e:acc0:1::cafe:cafe:cafe^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
		A	45.138.106.0^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
NS	`ns.wedos.cz`
		A	2a0e:acc0:1::caff:caff:cafb^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	2a0e:acc0:2::c:1:c1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	45.138.106.1^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	185.8.238.1^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
NS	`ns.wedos.eu`
		A	2a0e:acc0:2::b:1:b1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
		A	185.8.238.0^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
MX	`wes1-mx1.wedos.net` ⭐
		A	46.28.106.11^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx1.wedos.net`
MX	`wes1-mx2.wedos.net` ⭐
		A	46.28.106.12^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx2.wedos.net`
MX	`wes1-mx-backup.wedos.net`⁽¹⁰⁾
		A	46.28.106.56^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
			PTR	`wes1-mx-backup.wedos.net`
SOA	`ns.wedos.net`wedos@wedos.com 2022-04-12 #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=1775936834

Same first word

zrn.cz

zrn.cn

zrn.co.uk

zrn.it

zrn.co

zrn.net

zrn.app

zrn.com

zrn.hu

zrn.nl

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Similar names

nrz.co.uk

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rzn.at

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nrz.biz

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nzr.ch

nrz.pl

rzn.cz

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nzr.co.jp

nrz.in

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rnz.us

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znr.fr

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rzn.com.br

rnz.in

nrz.cc

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rzn.be

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znr.at

nrz.fr

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znr.it

nzr.me

rnz.co.nz

znr.es

nrz.net

rzn.ch

nrz.com.br

rzn.nl

znr.com.tr

DNS History

18 records (8 active, 10 former)

○NSns.gransy.com2021-05-13 → 2021-05-13 · 4 obs

○ 2016-04-10 16:14:50
● 2021-05-13 03:09:32
○ 2026-03-06 18:39:36
○ 2026-04-11 20:15:46

●NSns.wedos.com2026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

●NSns.wedos.cz2026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

●NSns.wedos.eu2026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

●NSns.wedos.net2026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

○NSns1.one.cz2015-10-20 → 2016-04-10 · 4 obs

● 2015-10-20 06:01:28
● 2016-04-10 16:14:50
○ 2021-05-13 03:09:32
○ 2026-04-11 20:15:46

○NSns2.gransy.com2021-05-13 → 2021-05-13 · 4 obs

○ 2016-04-10 16:14:50
● 2021-05-13 03:09:32
○ 2026-03-06 18:39:36
○ 2026-04-11 20:15:46

○NSns2.one.cz2015-10-20 → 2016-04-10 · 4 obs

● 2015-10-20 06:01:28
● 2016-04-10 16:14:50
○ 2021-05-13 03:09:32
○ 2026-04-11 20:15:46

○NSns3.gransy.com2021-05-13 → 2021-05-13 · 4 obs

○ 2016-04-10 16:14:50
● 2021-05-13 03:09:32
○ 2026-03-06 18:39:36
○ 2026-04-11 20:15:46

○NSns4.gransy.com2021-05-13 → 2021-05-13 · 4 obs

○ 2016-04-10 16:14:50
● 2021-05-13 03:09:32
○ 2026-03-06 18:39:36
○ 2026-04-11 20:15:46

○NSns5.gransy.com2021-05-13 → 2021-05-13 · 4 obs

○ 2016-04-10 16:14:50
● 2021-05-13 03:09:32
○ 2026-03-06 18:39:36
○ 2026-04-11 20:15:46

○MXmail.zrn.cz2021-05-13 → 2021-05-13 · 3 obs

● 2021-05-13 03:09:32
○ 2026-03-06 18:39:36
○ 2026-04-11 20:15:46

●MXwes1-mx-backup.wedos.net2026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

●MXwes1-mx1.wedos.net2026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

●MXwes1-mx2.wedos.net2026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

○A46.149.113.1962015-10-20 → 2016-04-10 · 4 obs

● 2015-10-20 06:01:28
● 2016-04-10 16:14:50
○ 2021-05-13 03:09:32
○ 2026-04-11 20:15:46

○A77.78.104.32021-05-13 → 2021-05-13 · 4 obs

○ 2016-04-10 16:14:50
● 2021-05-13 03:09:32
○ 2026-03-06 18:39:36
○ 2026-04-11 20:15:46

●A89.221.213.992026-03-06 → 2026-04-11 · 3 obs

○ 2021-05-13 03:09:32
● 2026-03-06 18:39:36
● 2026-04-11 20:15:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
zrn.cz	ns.wedos.com, ns.wedos.net, ns.wedos.cz, ns.wedos.eu	4 records

✅ Authoritative Response

Server:45.138.106.0

NS records: ns.wedos.com, ns.wedos.net, ns.wedos.cz, ns.wedos.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zrn.cz (unsigned zone)

⏱️ Timing

Total: 673ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.221.213.99`
NS	4	`ns.wedos.cz, ns.wedos.eu...`
MX	3	`wes1-mx1.wedos.net (pri: 1), wes1-mx2.wedos.net (pri: 1)...`
SOA	1	`ns.wedos.net wedos.wedos.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

IP Addresses

zrn.cz points to IP number: 89.221.213.99.

Other host names such as bzc.cz, mail.snm.cz, thn.cz, gbk.cz and mx.jmu.cz share IPs with zrn.cz.

Name Servers

zrn.cz is delegated to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

zrn.cz at least partially shares name servers with other domains, for instance atronoss.com, adixo.cz, servisbaleni.cz, seomarket.cz and about-web.eu.

Host names with four IP numbers:

ns.wedos.cz points to: 2a0e:acc0:1::caff:caff:cafb, 2a0e:acc0:2::c:1:c1, 45.138.106.1 and 185.8.238.1.

ns.wedos.net points to: 2600:9000:a419:5a54:19f7:a614:36fd:2825, 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46, 75.2.92.86 and 99.83.142.9.

Host names with two IP numbers:

ns.wedos.com points to: 2a0e:acc0:1::cafe:cafe:cafe and 45.138.106.0.

ns.wedos.eu points to: 2a0e:acc0:2::b:1:b1 and 185.8.238.0.

Mail Servers

Three mail servers handle zrn.cz: wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net.

zrn.cz shares at least partially some mail servers with other domains, including simanov.cz, dogweb.cz, koloseum.eu, stormblade.cz and biokairos.com.

Host names with a single IP:

wes1-mx-backup.wedos.net points to: 46.28.106.56.

wes1-mx1.wedos.net points to: 46.28.106.11.

wes1-mx2.wedos.net points to: 46.28.106.12.

zrn.cz - robtex.com

zrn.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`zrn.cz`

`cz`