olberg.cz - robtex.com
olberg.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=1776026834 | ||||||
Subdomains
posta.olberg.cz |
Same first word
olberg.homelinux.com |
olberg.se |
olberg.no |
olberg.name |
olberg.cz |
olberg.synology.me |
olberg.com.ua |
olberg.net |
olberg.eu |
olberg.de |
Similar names
DNS History
12 records (7 active, 5 former)
●NSns.wedos.com2026-03-25 → 2026-04-12 · 3 obs
● 2026-03-25 22:45:10
● 2026-04-12 21:41:32
●NSns.wedos.cz2026-03-25 → 2026-04-12 · 3 obs
● 2026-03-25 22:45:10
● 2026-04-12 21:41:32
●NSns.wedos.eu2026-03-25 → 2026-04-12 · 3 obs
● 2026-03-25 22:45:10
● 2026-04-12 21:41:32
●NSns.wedos.net2026-03-25 → 2026-04-12 · 3 obs
● 2026-03-25 22:45:10
● 2026-04-12 21:41:32
○NSns1.ignum.com2015-07-03 → 2017-04-05 · 4 obs
● 2017-04-05 15:43:24
○ 2026-03-25 22:45:10
○ 2026-04-12 21:41:32
○NSns2.ignum.cz2015-07-03 → 2017-04-05 · 4 obs
● 2017-04-05 15:43:24
○ 2026-03-25 22:45:10
○ 2026-04-12 21:41:32
○MXhosting.netmasters.cz2015-07-03 → 2016-04-01 · 4 obs
● 2016-04-01 12:40:08
○ 2017-04-05 15:43:24
○ 2026-04-12 21:41:32
○MXmail2.ignum.cz2015-07-03 → 2016-04-01 · 4 obs
● 2016-04-01 12:40:08
○ 2017-04-05 15:43:24
○ 2026-04-12 21:41:32
●MXposta.fpo.cz2026-03-25 → 2026-04-12 · 3 obs
● 2026-03-25 22:45:10
● 2026-04-12 21:41:32
●MXposta.olberg.cz2017-04-05 → 2026-04-12 · 3 obs
● 2017-04-05 15:43:24
● 2026-04-12 21:41:32
○A77.93.194.1082015-07-03 → 2017-04-05 · 4 obs
● 2017-04-05 15:43:24
○ 2026-03-25 22:45:10
○ 2026-04-12 21:41:32
●A89.221.213.1022026-03-25 → 2026-04-12 · 3 obs
● 2026-03-25 22:45:10
● 2026-04-12 21:41:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| olberg.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
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3300ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.221.213.102 |
| NS | 4 | ns.wedos.eu, ns.wedos.com... |
| MX | 2 | posta.fpo.cz (pri: 1), posta.olberg.cz (pri: 10) |
| TXT | 1 | v=spf1 ip4:188.75.145.154 ip4:188.75.185 |
| SOA | 1 | ns.wedos.cz wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
Hierarchy
olberg.cz is parent of posta.olberg.cz.
IP Addresses
olberg.cz points to a single IP: 89.221.213.102.
Other host names, for instance mailin1.hrc.cz, studio-chorus.cz, danovy-portal.com, mx.torontofoundation.org and www.sokov.cz share IP numbers with olberg.cz.
Name Servers
olberg.cz is delegated to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
olberg.cz at least partially shares its name servers with other domains, for instance pragueconnect.cz, crap.cz, dasvo.cz, britz.cz and satforum.cz.
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
Two mail servers posta.fpo.cz and posta.olberg.cz handle olberg.cz.
olberg.cz shares at least some mail servers with other domains, for instance danatravel.cz and planex.cz.
Host names with a single IP address: posta.fpo.cz points to 185.219.169.129.