onecode.cz - dns.ninja
onecode.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.9.175.163🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | ing.r3.websupport.sk | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| SOA | ns1.websupport.czadmin@websupport.sk serial=1783156292 | ||||||
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=1785084438 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSalfa.ns.active24.cz2015-08-19 → 2017-03-23 · 4 obs
● 2017-03-23 11:52:14
○ 2026-04-23 17:33:32
○ 2026-07-26 17:32:48
○NSbeta.ns.active24.cz2015-08-19 → 2017-03-23 · 4 obs
● 2017-03-23 11:52:14
○ 2026-04-23 17:33:32
○ 2026-07-26 17:32:48
○NSgama.ns.active24.sk2015-08-19 → 2017-03-23 · 4 obs
● 2017-03-23 11:52:14
○ 2026-04-23 17:33:32
○ 2026-07-26 17:32:48
●NSns1.websupport.cz2026-04-23 → 2026-07-26 · 3 obs
● 2026-04-23 17:33:32
● 2026-07-26 17:32:48
●NSns2.websupport.cz2026-04-23 → 2026-07-26 · 3 obs
● 2026-04-23 17:33:32
● 2026-07-26 17:32:48
●NSns3.websupport.eu2026-04-23 → 2026-07-26 · 3 obs
● 2026-04-23 17:33:32
● 2026-07-26 17:32:48
○MXsmtp.spytech.cz2015-08-19 → 2017-03-23 · 4 obs
● 2017-03-23 11:52:14
○ 2026-04-23 17:33:32
○ 2026-07-26 17:32:48
●A37.9.175.1632026-04-23 → 2026-07-26 · 3 obs
● 2026-04-23 17:33:32
● 2026-07-26 17:32:48
○A82.208.41.182015-08-19 → 2017-03-23 · 4 obs
● 2017-03-23 11:52:14
○ 2026-04-23 17:33:32
○ 2026-07-26 17:32:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| onecode.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.163 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| SOA | 1 | ns1.websupport.cz admin.websupport.sk |
Analysis
Hierarchy
smtp.onecode.cz and mail.onecode.cz each fall under onecode.cz as their parent domain.
IP Addresses
onecode.cz resolves to just one IP address, 37.9.175.163.
Two other host names, along with www.birne.de, kweeg.prostrih.cz and pectol.cz, also share IP numbers with onecode.cz.
Name Servers
onecode.cz has three name servers — ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
onecode.cz shares at least some of its name servers with other domains, including bezva.org, infosec.cz, kancelarskysvet.cz and two others.
Each of ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu points to two IP numbers. ns1.websupport.cz points to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz points to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu points to 45.10.97.13 and 2a10:bbc0::13.