websitez.cz - robtex.com
websitez.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| 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 | mx1.mailchannels.net ⭐ | ||||||
| A | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 18.236.29.166🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-18-236-29-166.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-10-07 #2 | ||||||
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.czhostmaster@nic.cz serial=1774608437 | ||||||
Same first word
Similar names
wizebets.org |
webseitz.com |
wizebets.com |
wizebets.co.nl |
webzites.dev |
websitze.com |
zwebsite.be |
webzsite.com |
westebiz.cn |
webzites.com |
sweetbiz.com |
webizest.com |
zeistweb.de |
zwebsite.com |
sweetbiz.ru |
seitzweb.de |
DNS History
9 records (6 active, 3 former)
○MXmail.websitez.cz2015-08-01 → 2017-04-11 · 4 obs
● 2017-04-11 02:29:34
○ 2026-03-27 06:33:00
○ 2026-03-27 11:26:34
●MXmx1.mailchannels.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 06:33:00
● 2026-03-27 11:26:34
●MXmx2.mailchannels.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 06:33:00
● 2026-03-27 11:26:34
●A2001:1568::142026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 06:33:00
● 2026-03-27 11:26:34
○A2001:1568:f::10042016-07-16 → 2017-04-11 · 5 obs
● 2016-07-16 18:09:36
● 2017-04-11 02:29:34
○ 2026-03-27 06:33:00
○ 2026-03-27 11:26:34
●A81.91.86.142026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 06:33:00
● 2026-03-27 11:26:34
○A81.91.92.1892015-08-01 → 2017-04-11 · 4 obs
● 2017-04-11 02:29:34
○ 2026-03-27 06:33:00
○ 2026-03-27 11:26:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| websitez.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 663ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
IP Addresses
websitez.cz points to two IP numbers: 2001:1568::14 and 81.91.86.14.
Other host names such as mail.citronix.cz, cvkbrno.cz, lenam.cz, equinex.cz and nrw.dn.cz share IP numbers with websitez.cz.
Name Servers
websitez.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
websitez.cz uses the same name server setup as other domains, including citronix.cz, karnevalove-kostymy-praha.cz, randls.com, zizkaperk.com and hoteluruze.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
websitez.cz is handled by two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
websitez.cz uses the same mail server setup as other domains, for instance waylaid.com, iredellfreenews.com, malaakonline.com, bayook.com and joeverrone.com.
websitez.cz shares some mail servers with other domains, for instance vivaswaziland.com and lago.se.
Host names sharing a single IP: mx1.mailchannels.net and mx2.mailchannels.net point to 18.236.29.166.