silca.cz - robtex.com
silca.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | alfa.ns.active24.cz ⚠️ Not in zone NS records | ||||||
| A | 2a02:4a8:ac24:100::96:2🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6 | ||||||
| PTR | alfa.ns.active24.cz | ||||||
| A | 81.95.96.2🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1 | ||||||
| PTR | alfa.ns.active24.cz | ||||||
| NS | beta.ns.active24.cz ⚠️ Not in zone NS records | ||||||
| A | 2a00:4b40:1000:590:185:111:90:94🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | beta.ns.active24.cz | ||||||
| A | 185.111.90.94🇭🇺 WEBSUPPORT-SRO-SK-AS185.111.88.0/22 | ||||||
| PTR | beta.ns.active24.cz | ||||||
| NS | gama.ns.active24.sk ⚠️ Not in zone NS records | ||||||
| A | 2a00:1968:0:1002:185:71:158:30🇸🇪 LOOPIA32a00:1968::/48 | ||||||
| PTR | gama.ns.active24.sk | ||||||
| A | 185.71.158.30🇸🇪 LOOPIA3185.71.158.0/24 | ||||||
| PTR | gama.ns.active24.sk | ||||||
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=1777108636 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSalfa.ns.active24.cz2015-08-04 → 2026-04-25 · 2 obs
● 2026-04-25 09:52:24
●NSbeta.ns.active24.cz2015-08-04 → 2026-04-25 · 2 obs
● 2026-04-25 09:52:24
●NSgama.ns.active24.sk2015-08-04 → 2026-04-25 · 2 obs
● 2026-04-25 09:52:24
○NSns.dns4.cz2015-08-04 → 2016-06-18 · 4 obs
● 2016-06-18 19:09:52
○ 2026-04-09 04:36:50
○ 2026-04-25 09:52:24
○MXin.smtp.cz2015-08-04 → 2016-06-18 · 4 obs
● 2016-06-18 19:09:52
○ 2026-04-09 04:36:50
○ 2026-04-25 09:52:24
○MXmx.smtp.cz2015-08-04 → 2016-06-18 · 4 obs
● 2016-06-18 19:09:52
○ 2026-04-09 04:36:50
○ 2026-04-25 09:52:24
○A91.239.200.302015-08-04 → 2016-06-18 · 4 obs
● 2016-06-18 19:09:52
○ 2026-04-09 04:36:50
○ 2026-04-25 09:52:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| silca.cz | alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk | 4 records |
✅ Authoritative Response
Server:81.95.96.2
NS records: alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for silca.cz (unsigned zone)
⏱️ Timing
Total: 981ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (alfa.ns.active24.cz, alfa.ns.active24.cz, beta.ns.active24.cz...)
Analysis
Name Servers
silca.cz is delegated to three name servers alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.
silca.cz at least partially shares name servers with other domains, for instance alkona.cz, dekra-automobil.cz, zznhp.cz, littletoby.sk and klubal.cz.
These name servers are commonly used alongside ns.dns4.cz and ns.servery.cz.
Host names with two IP numbers:
alfa.ns.active24.cz points to: 2a02:4a8:ac24:100::96:2 and 81.95.96.2.
beta.ns.active24.cz points to: 2a00:4b40:1000:590:185:111:90:94 and 185.111.90.94.
gama.ns.active24.sk points to: 2a00:1968:0:1002:185:71:158:30 and 185.71.158.30.