techneau.cz - robtex.com
techneau.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 | mx.web4u.cz ⭐ | ||||||
| A | 2001:1568::7012🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | mx.web4u.cz | ||||||
| A | 81.91.87.12🇨🇿 WEB4U81.91.80.0/21 | ||||||
| PTR | mx.web4u.cz | ||||||
| TXT | v=spf1 include:_spf.web4u.cz ~all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2024-07-12 #0 | ||||||
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=1778545034 | ||||||
Subdomains
mail.techneau.cz |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NS1.ns.gigaserver.cz2015-05-24 → 2017-03-26 · 4 obs
● 2017-03-26 12:07:12
○ 2020-03-19 13:02:28
○ 2026-05-12 00:57:00
○NS2.ns.gigaserver.cz2015-05-24 → 2017-03-26 · 4 obs
● 2017-03-26 12:07:12
○ 2020-03-19 13:02:28
○ 2026-05-12 00:57:00
○NS3.ns.gigaserver.cz2015-05-24 → 2017-03-26 · 4 obs
● 2017-03-26 12:07:12
○ 2020-03-19 13:02:28
○ 2026-05-12 00:57:00
○NS4.ns.gigaserver.cz2015-05-24 → 2017-03-26 · 4 obs
● 2017-03-26 12:07:12
○ 2020-03-19 13:02:28
○ 2026-05-12 00:57:00
●NSns.web4u.cz2020-03-19 → 2026-05-12 · 3 obs
● 2020-03-19 13:02:28
● 2026-05-12 00:57:00
●NSns2.web4u.cz2020-03-19 → 2026-05-12 · 3 obs
● 2020-03-19 13:02:28
● 2026-05-12 00:57:00
○MXmail.techneau.cz2015-05-24 → 2017-03-26 · 4 obs
● 2017-03-26 12:07:12
○ 2020-03-19 13:02:28
○ 2026-05-12 00:57:00
●MXmx.web4u.cz2020-03-19 → 2026-05-12 · 3 obs
● 2020-03-19 13:02:28
● 2026-05-12 00:57:00
●A2001:1568::142020-03-19 → 2026-05-12 · 3 obs
● 2020-03-19 13:02:28
● 2026-05-12 00:57:00
●A81.91.86.142020-03-19 → 2026-05-12 · 3 obs
● 2020-03-19 13:02:28
● 2026-05-12 00:57:00
○A85.118.128.1422015-05-24 → 2017-03-26 · 4 obs
● 2017-03-26 12:07:12
○ 2020-03-19 13:02:28
○ 2026-05-12 00:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| techneau.cz | ns2.web4u.cz, ns.web4u.cz | 4 records |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns2.web4u.cz, ns.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 922ms | 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 | 1 | mx.web4u.cz (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.web4u.cz ~all |
| 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
mail.techneau.cz has techneau.cz as its parent.
IP Addresses
techneau.cz points to two IPs: 2001:1568::14 and 81.91.86.14.
Other host names, for instance post.jarda.pl, sajmon.eu, www.investice-poradenstvi.cz, mail.bytynainvestici.cz and smtp.kytarovka.cz share IP numbers with techneau.cz.
Name Servers
Two name servers ns2.web4u.cz and ns.web4u.cz are delegated to techneau.cz.
techneau.cz uses the same name server configuration as other domains, such as dreamsbook.org, ham.cz, dilynakotle.cz, microtherm.cz and platbanaklik.cz.
Host names with two IPs:
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
techneau.cz is handled by a single mail server, mx.web4u.cz.
techneau.cz shares the same mail server setup as other domains, including investauni.net, physiostudy.com, invessales.cz, digisite.eu and richfox.net.
techneau.cz shares some mail servers with other domains, at least partially, for instance bef.cz.
Host name mx.web4u.cz points to IPs 2001:1568::7012 and 81.91.87.12.