otus.cz - robtex.com
otus.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=1774693035 | ||||||
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●NSns.wedos.com2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:51:48
● 2026-03-28 10:33:14
●NSns.wedos.cz2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:51:48
● 2026-03-28 10:33:14
●NSns.wedos.eu2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:51:48
● 2026-03-28 10:33:14
●NSns.wedos.net2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:51:48
● 2026-03-28 10:33:14
○NSns1.net.ka.cz2015-07-22 → 2021-01-16 · 4 obs
● 2021-01-16 17:33:18
○ 2026-03-26 05:51:48
○ 2026-03-28 10:33:14
○NSns2.net.group-ka.com2015-07-22 → 2021-01-16 · 4 obs
● 2021-01-16 17:33:18
○ 2026-03-26 05:51:48
○ 2026-03-28 10:33:14
●MXjaguar.blueboard.cz2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:51:48
● 2026-03-28 10:33:14
●MXns2.blueboard.cz2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:51:48
● 2026-03-28 10:33:14
○MXotus.mx1.mail2.webnode.cz2015-07-22 → 2021-01-16 · 4 obs
● 2021-01-16 17:33:18
○ 2026-03-26 05:51:48
○ 2026-03-28 10:33:14
○MXotus.mx2.mail2.webnode.cz2015-07-22 → 2021-01-16 · 4 obs
● 2021-01-16 17:33:18
○ 2026-03-26 05:51:48
○ 2026-03-28 10:33:14
○MXotus.mx3.mail2.webnode.cz2015-07-22 → 2021-01-16 · 4 obs
● 2021-01-16 17:33:18
○ 2026-03-26 05:51:48
○ 2026-03-28 10:33:14
●A144.91.117.392026-03-26 → 2026-03-28 · 2 obs
● 2026-03-28 10:33:14
●A2a02:c207:2269:9600::12026-03-26 → 2026-03-28 · 2 obs
● 2026-03-28 10:33:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz | - |
| otus.cz | ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net | 4 records |
✅ Authoritative Response
Server:45.138.106.0
NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 764ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.91.117.39 |
| AAAA | 1 | 2a02:c207:2269:9600::1 |
| NS | 4 | ns.wedos.com, ns.wedos.net... |
| MX | 2 | jaguar.blueboard.cz (pri: 10), ns2.blueboard.cz (pri: 100) |
| TXT | 1 | v=spf1 include:spf.blueboard.cz include: |
| SOA | 1 | ns.wedos.com wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
IP Addresses
otus.cz points to two IP numbers: 2a02:c207:2269:9600::1 and 144.91.117.39.
Name Servers
otus.cz is delegated to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
otus.cz shares name servers with other domains at least partially, for instance salonprvnirepubliky.cz, sbormuni.com, jiripetrek.cz, svatbonet.cz and waproduction.com.
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
otus.cz is handled by two mail servers: jaguar.blueboard.cz and ns2.blueboard.cz.
otus.cz shares the same mail server setup as other domains, including jicin.cz, hochmanovi.cz, czdw.cz, technik-building.cz and klimacentrum.cz.
otus.cz shares some mail servers with other domains, including vetmedik.cz, claber.cz, magazinprozeny.cz, semitron.cz and diginomad.cz.
Host names with two IP numbers:
The host jaguar.blueboard.cz points to 2a00:1ed0:45::c and 178.251.187.8.
The host ns2.blueboard.cz points to 2a01:4f8:13b:8d4::2 and 195.201.57.122.