`wendzel.cz`

DNSSEC	⚠️ Not signed
A	81.91.91.54^{🇨🇿 WEB4U81.91.88.0/21}
		PTR	`wm108.web-media.cz`
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`mail.wendzel.cz` ⭐
		A	81.91.85.201^{🇨🇿 WEB4U81.91.80.0/21}
			PTR	`webmedia-mail.server4u.cz`
SOA	`ns.web4u.cz`admin@web4u.cz 2008-05-22 #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=1776106033

Subdomains

mail.wendzel.cz

Same first word

wendzel.cz

wendzel.at

Similar names

zwendel.com

zwendel.nl

newdelz.com

DNS History

6 records (4 active, 2 former)

●NSns.web4u.cz2015-08-17 → 2026-04-13 · 2 obs

● 2015-08-17 01:52:12
● 2026-04-13 19:24:22

●NSns2.web4u.cz2015-08-17 → 2026-04-13 · 2 obs

● 2015-08-17 01:52:12
● 2026-04-13 19:24:22

●MXmail.wendzel.cz2016-07-25 → 2026-04-13 · 3 obs

○ 2016-03-13 10:06:06
● 2016-07-25 00:44:54
● 2026-04-13 19:24:22

○MXremote.tint.cz2015-08-17 → 2016-03-13 · 4 obs

● 2015-08-17 01:52:12
● 2016-03-13 10:06:06
○ 2016-07-25 00:44:54
○ 2026-04-13 19:24:22

○A81.91.84.1342015-08-17 → 2017-03-22 · 4 obs

● 2015-08-17 01:52:12
● 2017-03-22 06:21:26
○ 2026-03-13 04:17:48
○ 2026-04-13 19:24:22

●A81.91.91.542026-03-13 → 2026-04-13 · 3 obs

○ 2017-03-22 06:21:26
● 2026-03-13 04:17:48
● 2026-04-13 19:24:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
wendzel.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wendzel.cz (unsigned zone)

⏱️ Timing

Total: 899ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.91.54`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`mail.wendzel.cz (pri: 10)`
SOA	1	`ns.web4u.cz admin.web4u.cz`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

Hierarchy

The parent of mail.wendzel.cz is wendzel.cz.

IP Addresses

wendzel.cz points to a single IP address: 81.91.91.54.

Other host names such as durman.cz, foxel.cz, boc.cz, anpro.cz and www.zetor-shop.cz share IPs with wendzel.cz.

Name Servers

Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for wendzel.cz.

wendzel.cz shares the same name server setup as other domains, for example nordicday.sk, mcgastro.cz, filtrnavodu.eu, biocengroup.com and info-firma.cz.

wendzel.cz partially shares name servers with other domains, for example elcad.cz and varicad.com.

Host names with two IP numbers:

ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.

ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

The mail.wendzel.cz mail server handles wendzel.cz.

mail.wendzel.cz points to a single IP number: 81.91.85.201.

wendzel.cz - robtex.com

wendzel.cz

cz