sobe.cz - robtex.com
sobe.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.11.249.139🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT | ||||||
| PTR | krios.blueboard.cz | ||||||
| NS | shinzon.blueboard.cz ⭐ | ||||||
| A | 2a00:1ed0:45::b🇨🇿 VSHOSTING2a00:1ed0::/32 | ||||||
| PTR | shinzon.blueboard.cz | ||||||
| A | 178.251.187.7🇨🇿 VSHOSTING178.251.184.0/21 | ||||||
| PTR | shinzon.blueboard.cz | ||||||
| NS | jaguar.blueboard.cz ⚠️ Not in zone NS records | ||||||
| A | 2a00:1ed0:45::c🇨🇿 VSHOSTING2a00:1ed0::/32 | ||||||
| PTR | jaguar.blueboard.cz | ||||||
| A | 178.251.187.8🇨🇿 VSHOSTING178.251.184.0/21 | ||||||
| PTR | jaguar.blueboard.cz | ||||||
| NS | ns2.blueboard.cz | ||||||
| A | 2a01:4f8:13b:8d4::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 195.201.57.122🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC | ||||||
| PTR | ns2.blueboard.cz | ||||||
| MX | mx.blueboard.cz ⭐ | ||||||
| A | 2001:1528:240::ca🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | mx.blueboard.cz | ||||||
| A | 81.0.209.130🇨🇿 CASABLANCA-AS81.0.208.0/23 Casablanca INT | ||||||
| PTR | mx.blueboard.cz | ||||||
| TXT | v=spf1 a mx include:spf.blueboard.cz -all | ||||||
| SOA | shinzon.blueboard.czhostmaster@shinzon.blueboard.cz 2006-05-08 #41 | ||||||
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=1774689434 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSjaguar.blueboard.cz2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 04:21:28
● 2026-03-28 09:41:30
●NSns2.blueboard.cz2015-08-04 → 2026-03-28 · 2 obs
● 2026-03-28 09:41:30
●NSshinzon.blueboard.cz2015-08-04 → 2026-03-28 · 2 obs
● 2026-03-28 09:41:30
○MXjaguar.blueboard.cz2015-08-04 → 2021-04-09 · 4 obs
● 2021-04-09 03:47:54
○ 2026-03-27 04:21:28
○ 2026-03-28 09:41:30
●MXmx.blueboard.cz2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 04:21:28
● 2026-03-28 09:41:30
○MXns2.blueboard.cz2015-08-04 → 2021-04-09 · 4 obs
● 2021-04-09 03:47:54
○ 2026-03-27 04:21:28
○ 2026-03-28 09:41:30
●A217.11.249.1392015-08-04 → 2026-03-28 · 2 obs
● 2026-03-28 09:41:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz | 8 records |
| sobe.cz | ns2.blueboard.cz, jaguar.blueboard.cz, shinzon.blueboard.cz | 3 records |
✅ Authoritative Response
Server:178.251.187.7
NS records: ns2.blueboard.cz, jaguar.blueboard.cz, shinzon.blueboard.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sobe.cz (unsigned zone)
⏱️ Timing
Total: 779ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.11.249.139 |
| NS | 2 | shinzon.blueboard.cz, ns2.blueboard.cz |
| MX | 1 | mx.blueboard.cz (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.blueboard.cz -al |
| SOA | 1 | shinzon.blueboard.cz hostmaster.shinzon. |
📌 Glue Records Collected
Total: 11
In-bailiwick: 8 (d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz...)
Out-of-bailiwick: 3 (ns2.blueboard.cz, jaguar.blueboard.cz, shinzon.blueboard.cz)
Analysis
IP Addresses
sobe.cz points to a single IP: 217.11.249.139.
Other host names, for instance piwik.mijirasek.cz, framoz.cz, qgz.cz, siegmnud-cz.com and dudka.cz share IP numbers with sobe.cz.
Name Servers
sobe.cz is delegated to three name servers: jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz.
sobe.cz at least partially shares its name servers with other domains, for instance lostindream.net, shaman.cz, autohub.cz, pafi.cz and prevence-zdravi.cz.
Host names with two IP numbers:
jaguar.blueboard.cz points to: 2a00:1ed0:45::c and 178.251.187.8.
ns2.blueboard.cz points to: 2a01:4f8:13b:8d4::2 and 195.201.57.122.
shinzon.blueboard.cz points to: 2a00:1ed0:45::b and 178.251.187.7.
Mail Servers
sobe.cz is served by a single mail server, mx.blueboard.cz.
sobe.cz uses the same mail server setup as other domains such as milestorm.net, lande.cz, 1fd.eu, hornitresnovec.cz and alarmbeskyd.com.
Hostname mx.blueboard.cz resolves to two IPs: 2001:1528:240::ca and 81.0.209.130.