hzu.cz - robtex.com
hzu.cz
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=1785997040 | ||||||
Same first word
hzu.eu |
hzu.de |
hzu.edu.in |
hzu.cz |
hzu.org |
hzu.ch |
hzu.com.cn |
hzu.edu.cn |
hzu.net.cn |
hzu.ru |
hzu.gx.cn |
hzu.nl |
hzu.com |
hzu.es |
Similar names
DNS History
20 records (8 active, 12 former)
○NSns.gransy.com2019-12-22 → 2019-12-22 · 4 obs
● 2019-12-22 02:55:32
○ 2021-03-26 22:58:24
○ 2026-08-06 06:24:42
●NSns.wedos.com2021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
●NSns.wedos.cz2021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
●NSns.wedos.eu2021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
●NSns.wedos.net2021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
○NSns1.above.com2015-08-23 → 2017-01-18 · 7 obs
● 2016-10-09 19:27:32
○ 2016-11-17 04:54:00
● 2017-01-12 00:32:34
● 2017-01-18 18:07:00
○ 2019-12-22 02:55:32
○ 2026-08-06 06:24:42
○NSns2.above.com2015-08-23 → 2017-01-18 · 6 obs
● 2016-11-17 04:54:00
○ 2017-01-12 00:32:34
● 2017-01-18 18:07:00
○ 2019-12-22 02:55:32
○ 2026-08-06 06:24:42
○NSns2.gransy.com2019-12-22 → 2019-12-22 · 4 obs
● 2019-12-22 02:55:32
○ 2021-03-26 22:58:24
○ 2026-08-06 06:24:42
○NSns3.gransy.com2019-12-22 → 2019-12-22 · 4 obs
● 2019-12-22 02:55:32
○ 2021-03-26 22:58:24
○ 2026-08-06 06:24:42
○NSns4.gransy.com2019-12-22 → 2019-12-22 · 4 obs
● 2019-12-22 02:55:32
○ 2021-03-26 22:58:24
○ 2026-08-06 06:24:42
○NSns5.gransy.com2019-12-22 → 2019-12-22 · 4 obs
● 2019-12-22 02:55:32
○ 2021-03-26 22:58:24
○ 2026-08-06 06:24:42
○MXmail.hzu.cz2019-12-22 → 2019-12-22 · 4 obs
● 2019-12-22 02:55:32
○ 2021-03-26 22:58:24
○ 2026-08-06 06:24:42
○MXmail.post-host.net2015-08-23 → 2016-08-12 · 4 obs
● 2016-08-12 16:36:00
○ 2016-10-09 19:27:32
○ 2026-08-06 06:24:42
●MXwes1-mx-backup.wedos.net2021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
●MXwes1-mx1.wedos.net2021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
●MXwes1-mx2.wedos.net2021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
○A103.224.182.2442015-08-23 → 2017-01-18 · 7 obs
● 2016-01-03 22:16:00
○ 2016-01-07 20:29:36
● 2016-02-10 09:57:36
● 2017-01-18 18:07:00
○ 2019-12-22 02:55:32
○ 2026-08-06 06:24:42
○A192.184.12.622016-01-07 → 2016-01-07 · 4 obs
● 2016-01-07 20:29:36
○ 2016-02-10 09:57:36
○ 2026-08-06 06:24:42
○A77.78.104.32019-12-22 → 2019-12-22 · 4 obs
● 2019-12-22 02:55:32
○ 2021-03-26 22:58:24
○ 2026-08-06 06:24:42
●A89.221.213.992021-03-26 → 2026-08-06 · 5 obs
● 2021-03-26 22:58:24
○ 2026-06-13 09:06:52
● 2026-07-10 02:49:28
● 2026-08-06 06:24:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| hzu.cz | ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net | 4 records |
✅ Authoritative Response
Server:45.138.106.1
NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hzu.cz (unsigned zone)
⏱️ Timing
Total: 3456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.221.213.99 |
| NS | 4 | ns.wedos.cz, ns.wedos.eu... |
| MX | 3 | wes1-mx2.wedos.net (pri: 1), wes1-mx-backup.wedos.net (pri: 10)... |
| 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
hzu.cz has exactly one IP address — 89.221.213.99.
vaj.cz, pru.cz, bjg.cz plus two other host names have IP numbers in common with hzu.cz.
Name Servers
Four name servers handle the delegation for hzu.cz: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
There is at least partial name server overlap between hzu.cz and other domains — marthi.cz, gigapet.cz, reckykoutek.cz and two more among them.
Host names with four IP addresses:
ns.wedos.cz resolves to four IP addresses — 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net resolves to four IP addresses — 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.
Host names pointing to two IP addresses:
ns.wedos.com resolves to two addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu resolves to two addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
Incoming mail for hzu.cz is delivered via three mail servers: wes1-mx-backup.wedos.net, wes1-mx1.wedos.net and wes1-mx2.wedos.net.
At least some of the mail servers used by hzu.cz are shared with other domains: frankuv-dvur.cz, hanzel.eu, pcmetal.cz and two others among them.
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 — each hostname maps to exactly one IP address.