plenum.cz - dns.ninja
plenum.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.regzone.cz ⚠️ Not in zone NS records | ||||||
| A | 2a00:19a0:3:71:0:d9c6:710a:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| A | 217.198.113.10🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| PTR | ns1.regzone.cz | ||||||
| NS | ns1.regzone.de ⚠️ Not in zone NS records | ||||||
| A | 2600:3c02::f03c:91ff:fedb:a6e7🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| A | 23.92.29.43🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies | ||||||
| PTR | ns1.regzone.de | ||||||
| NS | ns1.regzone.info ⚠️ Not in zone NS records | ||||||
| A | 2001:1528:147::10🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | ns1.regzone.info | ||||||
| A | 81.0.233.10🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | ns1.regzone.info | ||||||
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=1781358436 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.regzone.cz2026-06-13 → 2026-06-13 · 2 obs
● 2026-06-13 14:40:34
●NSns1.regzone.de2026-06-13 → 2026-06-13 · 2 obs
● 2026-06-13 14:40:34
●NSns1.regzone.info2026-06-13 → 2026-06-13 · 2 obs
● 2026-06-13 14:40:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| plenum.cz | ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info | 2 records |
✅ Authoritative Response
Server:81.0.233.10
NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plenum.cz (unsigned zone)
⏱️ Timing
Total: 984ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)
Analysis
Name Servers
The authoritative name servers for plenum.cz are ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info — three in total.
At least some of plenum.cz's name servers are shared with other domains, for example komzak.eu, trojanek.net, axb.cz and two more.
ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info all resolve to exactly two IP numbers apiece: ns1.regzone.cz → 217.198.113.10 and 2a00:19a0:3:71:0:d9c6:710a:1; ns1.regzone.de → 23.92.29.43 and 2600:3c02::f03c:91ff:fedb:a6e7; ns1.regzone.info → 81.0.233.10 and 2001:1528:147::10.