root.23x.cz - robtex.com
root.23x.cz
23x.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:4de8:f001:2007::20🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s. | ||||||
| A | 213.151.89.106🇨🇿 QUANTCOM-AS213.151.64.0/19 Dial Telecom, a.s. | ||||||
| NS | ns2.spoje.net ⭐ | ||||||
| NS | ns.spoje.net ⚠️ Not in zone NS records | ||||||
| NS | ns3.spoje.net | ||||||
| MX | 23x--cz.mx.spoje.net ⭐ | ||||||
| MX | smtp.spoje.net(100) | ||||||
| TXT | v=spf1 mx a:mail.spoje.net a:iris.spoje.net a:mail2.spoje.net a:iris2.spoje.n... | ||||||
| TXT | google-site-verification=EHq_QBQIJB-UUTXgGhvdzdF5yVFtqDrgfPEOyYCQ2BY | ||||||
| SOA | ns.spoje.nettech@spoje.net serial=1786554047 | ||||||
Same first word
Similar names
DNS History
8 records (1 active, 7 former)
○NS23x.cz2015-12-08 → 2016-09-10 · 4 obs
● 2016-09-10 20:21:40
○ 2026-08-07 13:46:04
○ 2026-08-12 21:00:26
○NSns1.23x.cz2015-12-08 → 2016-09-10 · 4 obs
● 2016-09-10 20:21:40
○ 2026-08-07 13:46:04
○ 2026-08-12 21:00:26
○NSns2.23x.cz2015-12-08 → 2016-09-10 · 4 obs
● 2016-09-10 20:21:40
○ 2026-08-07 13:46:04
○ 2026-08-12 21:00:26
○MXmail.binary-bros.cz2015-12-08 → 2016-09-10 · 4 obs
● 2016-09-10 20:21:40
○ 2026-08-07 13:46:04
○ 2026-08-12 21:00:26
○A2001:4de8:f001::d412015-08-17 → 2016-03-28 · 4 obs
● 2016-03-28 02:42:34
○ 2016-09-10 20:21:40
○ 2026-08-12 21:00:26
○A2001:4de8:f001:2007::202016-09-10 → 2016-09-10 · 4 obs
● 2016-09-10 20:21:40
○ 2026-08-07 13:46:04
○ 2026-08-12 21:00:26
○A213.151.89.1062015-08-17 → 2016-09-10 · 4 obs
● 2016-09-10 20:21:40
○ 2026-08-07 13:46:04
○ 2026-08-12 21:00:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| 23x.cz | ns2.spoje.net, ns.spoje.net, ns3.spoje.net | - |
✅ Authoritative Response
Server:88.146.242.186
NS records: ns2.spoje.net, ns.spoje.net, ns3.spoje.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 23x.cz (unsigned zone)
⏱️ Timing
Total: 1169ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | 23x.cz |
Analysis
IP Addresses
root.23x.cz has two IP addresses: 213.151.89.106 and 2001:4de8:f001:2007::20
Among the host names that share IP numbers with root.23x.cz are monitor-cz.cz, 23x.cz, terumo.cz and two others.
Name Servers
DNS for root.23x.cz is handled by three authoritative name servers: ns2.spoje.net, ns3.spoje.net and ns.spoje.net.
There is at least partial name server overlap between root.23x.cz and other domains — cunas.cz, ultramarine.cz, indymedia.cz and two more among them.
The name servers ns2.arachne.cz, ns.arachne.cz and ns.net22.cz are often found in combination with these name servers.
Three hostnames — ns2.spoje.net, ns3.spoje.net and ns.spoje.net — each have two IP addresses: ns2.spoje.net has 213.151.89.1 and 2001:4de8:f001::7, ns3.spoje.net has 88.146.242.186 and 2a01:5e0:26::186, and ns.spoje.net has 88.208.121.2 and 2001:4de8:f001::6.
Mail Servers
The MX records for root.23x.cz point to two mail servers: smtp.spoje.net and 23x--cz.mx.spoje.net.
root.23x.cz and domains like 23x.cz share an identical mail server configuration.
root.23x.cz shares at least some of its mail servers with other domains — for example streetmarket.cz, brevnov.net, romansafar.cz and two more.
It is common for these mail servers to co-occur with mail.mithrandir.cz, lemur.net22.cz, streetmarket--cz.mx.spoje.net and iris.spoje.net as mail servers.
smtp.spoje.net directs to 82.100.58.4 and 2001:4de8:f001:3000::4. 23x--cz.mx.spoje.net directs to 88.208.121.24 and 2001:4de8:f001:3003::3. Each host name carries two IP addresses.