24hod.cz - robtex.com
24hod.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.158.143.25🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block | ||||||
| NS | ns2.sdserver.cz ⭐ | ||||||
| A | 212.158.143.16🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block | ||||||
| NS | ns.sdserver.cz ⚠️ Not in parent delegation | ||||||
| A | 212.158.143.10🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block | ||||||
| NS | ns3.sdserver.cz | ||||||
| A | 84.244.96.162🇨🇿 BlueTone-AS84.244.64.0/18 BlueTone-CRa-CZ Third address block | ||||||
| NS | ns4.sdserver.cz | ||||||
| MX | mail2.sdserver.cz ⭐ | ||||||
| MX | mail.sdserver.cz(20) | ||||||
| SOA | ns.sdserver.czdns-admin@stringdata.cz 2019-10-31 #0 | ||||||
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=1778474835 | ||||||
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●NSns.sdserver.cz2019-12-27 → 2026-05-11 · 3 obs
● 2019-12-27 21:51:50
● 2026-05-11 05:40:42
○NSns1.sdserver.cz2015-07-04 → 2016-12-28 · 4 obs
● 2016-12-28 12:06:00
○ 2019-12-27 21:51:50
○ 2026-05-11 05:40:42
●NSns2.sdserver.cz2015-07-04 → 2026-05-11 · 2 obs
● 2026-05-11 05:40:42
●NSns3.sdserver.cz2015-07-04 → 2026-05-11 · 2 obs
● 2026-05-11 05:40:42
●NSns4.sdserver.cz2015-07-04 → 2026-05-11 · 2 obs
● 2026-05-11 05:40:42
●MXmail.sdserver.cz2015-07-04 → 2026-05-11 · 2 obs
● 2026-05-11 05:40:42
●MXmail2.sdserver.cz2015-07-04 → 2026-05-11 · 2 obs
● 2026-05-11 05:40:42
○A212.158.143.112015-07-04 → 2016-12-28 · 4 obs
● 2016-12-28 12:06:00
○ 2019-12-27 21:51:50
○ 2026-05-11 05:40:42
●A212.158.143.252019-12-27 → 2026-05-11 · 3 obs
● 2019-12-27 21:51:50
● 2026-05-11 05:40:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| 24hod.cz | ns3.sdserver.cz, ns2.sdserver.cz, ns.sdserver.cz | 3 records |
✅ Authoritative Response
Server:212.158.143.10
NS records: ns3.sdserver.cz, ns2.sdserver.cz, ns.sdserver.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 24hod.cz (unsigned zone)
⏱️ Timing
Total: 464ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.158.143.25 |
| NS | 4 | ns4.sdserver.cz, ns.sdserver.cz... |
| MX | 2 | mail.sdserver.cz (pri: 10), mail2.sdserver.cz (pri: 20) |
| SOA | 1 | ns.sdserver.cz dns-admin.stringdata.cz |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.sdserver.cz, ns2.sdserver.cz, ns.sdserver.cz)
Analysis
IP Addresses
24hod.cz points to a single IP number: 212.158.143.25.
other host names for instance binf.cz, 24h.cz, stringdata.org, stringdata.eu and stringdata.info share IP numbers with 24hod.cz.
Name Servers
24hod.cz is delegated to four name servers: ns2.sdserver.cz, ns3.sdserver.cz, ns4.sdserver.cz and ns.sdserver.cz.
24hod.cz at least partially shares name servers with other domains, for instance sydesk.cz, binf.cz, 24h.cz, stringdata.org and sydesk.com.
These name servers are commonly used with ns1.sdserver.cz, ns1.bluetone.cz and ns.bluetone.cz.
Host names with one IP number:
ns2.sdserver.cz points to 212.158.143.16.
ns3.sdserver.cz points to 84.244.96.162.
ns.sdserver.cz points to 212.158.143.10.
Mail Servers
24hod.cz is handled by two mail servers: mail2.sdserver.cz and mail.sdserver.cz.
24hod.cz shares the same mail server setup as other domains, for instance sydesk.cz, binf.cz, stringdata.org, sydesk.com and stringdata.eu.