dcp.cz - robtex.com
dcp.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.one.cz ⚠️ Not in zone NS records | ||||||
| A | 2001:470:6f:864::1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns1.one.cz | ||||||
| A | 46.149.113.151🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o. | ||||||
| PTR | ns1.one.cz | ||||||
| NS | ns2.one.cz ⚠️ Not in zone NS records | ||||||
| A | 193.85.20.140🇨🇿 TMOBILE-CZ193.85.0.0/16 T-Mobile Czech Republic a.s. | ||||||
| PTR | ns2.one.cz | ||||||
| NS | ns3.one.cz ⚠️ Not in zone NS records | ||||||
| A | 2001:470:6f:30f::1:1🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ns3.one.cz | ||||||
| A | 46.149.113.187🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o. | ||||||
| PTR | ns3.one.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=1781608635 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSns.internetserver.cz2015-09-04 → 2016-11-02 · 4 obs
● 2015-09-04 14:49:20
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
●NSns1.one.cz2026-06-13 → 2026-06-16 · 3 obs
○ 2020-01-28 07:52:58
● 2026-06-13 00:12:10
● 2026-06-16 12:20:32
● 2026-06-13 00:12:10
● 2026-06-16 12:20:32
○NSns2.internetserver.cz2015-09-04 → 2016-11-02 · 4 obs
● 2015-09-04 14:49:20
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
●NSns2.one.cz2026-06-13 → 2026-06-16 · 3 obs
○ 2020-01-28 07:52:58
● 2026-06-13 00:12:10
● 2026-06-16 12:20:32
● 2026-06-13 00:12:10
● 2026-06-16 12:20:32
○NSns3.dns-station.net2015-09-04 → 2016-11-02 · 4 obs
● 2015-09-04 14:49:20
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
●NSns3.one.cz2026-06-13 → 2026-06-16 · 3 obs
○ 2020-01-28 07:52:58
● 2026-06-13 00:12:10
● 2026-06-16 12:20:32
● 2026-06-13 00:12:10
● 2026-06-16 12:20:32
○MXmx.internetserver.cz2015-09-04 → 2016-11-02 · 4 obs
● 2015-09-04 14:49:20
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
○A77.78.126.242015-09-04 → 2016-11-02 · 4 obs
● 2015-09-04 14:49:20
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
● 2016-11-02 04:25:52
○ 2020-01-28 07:52:58
○ 2026-06-16 12:20:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz | - |
| dcp.cz | ns1.one.cz, ns2.one.cz, ns3.one.cz | 5 records |
✅ Authoritative Response
Server:46.149.113.187
NS records: ns1.one.cz, ns2.one.cz, ns3.one.cz
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for dcp.cz
⏱️ Timing
Total: 646ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns1.one.cz, ns1.one.cz, ns2.one.cz...)
Analysis
Name Servers
dcp.cz carries NS records delegating to ns1.one.cz, ns2.one.cz and ns3.one.cz.
dcp.cz shares at least some of its name servers with other domains, including visualarch.eu, inetwork.cz, okr.cz and two others.
Hosts with two IP numbers each:
ns1.one.cz resolves to two addresses: 46.149.113.151 and 2001:470:6f:864::1.
ns3.one.cz resolves to two addresses: 46.149.113.187 and 2001:470:6f:30f::1:1.
Hosts that resolve to one IP address:
The hostname ns2.one.cz resolves to 193.85.20.140.