sibcat.cz - robtex.com
sibcat.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=1776187057 | ||||||
Subdomains
hostmaster.sibcat.cz |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NSns.onebit.org2015-07-14 → 2026-04-14 · 2 obs
● 2026-04-14 17:50:12
●MXmx5.onebit.eu2019-04-16 → 2026-04-14 · 3 obs
● 2019-04-16 18:55:12
● 2026-04-14 17:50:12
○MXmx5.onebit.org2015-07-14 → 2017-01-27 · 4 obs
● 2017-01-27 16:48:18
○ 2019-04-16 18:55:12
○ 2026-04-14 17:50:12
○A178.238.37.2042016-12-05 → 2019-04-16 · 5 obs
● 2016-12-05 07:20:36
● 2019-04-16 18:55:12
○ 2026-04-14 17:50:10
○ 2026-04-14 17:50:12
●A62.109.150.872026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 17:50:10
● 2026-04-14 17:50:12
○A81.31.45.942015-07-14 → 2016-05-06 · 4 obs
● 2016-05-06 18:03:36
○ 2016-12-05 07:20:36
○ 2026-04-14 17:50:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| sibcat.cz | ns.onebit.cz, ns.onebit.eu, ns.onebit.org | 2 records |
✅ Authoritative Response
Server:217.31.48.201
NS records: ns.onebit.cz, ns.onebit.eu, ns.onebit.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1431ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.109.150.87 |
| NS | 3 | ns.onebit.eu, ns.onebit.cz... |
| MX | 2 | mail5.onebit.cz (pri: 0), mx5.onebit.eu (pri: 10) |
| SOA | 1 | ns.onebit.cz hostmaster.onebit.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.onebit.cz, ns.onebit.cz)
Analysis
Hierarchy
The parent of hostmaster.sibcat.cz is sibcat.cz.
IP Addresses
sibcat.cz points to an IP address: 62.109.150.87.
other host names include avon-centrum-ostrava.cz, dcu1.www.avon-centrum-ostrava.cz, autojamra.cz, wap.avon-centrum-ostrava.cz and ditu.www.avon-centrum-ostrava.cz; they share IP numbers with sibcat.cz.
Name Servers
sibcat.cz is delegated to three name servers ns.onebit.cz, ns.onebit.eu and ns.onebit.org.
sibcat.cz at least partially shares name servers with other domains, for instance vyu.cz, vas-remeslnik.cz, javorka.eu, sirava.cz and hunca.cz.
Host names with two IP numbers:
ns.onebit.cz points to 2a00:1e40:a:53::5 and 185.65.223.35; ns.onebit.eu points to 2001:1ab0:7e1e:2::5 and 217.31.48.201; ns.onebit.org points to 2a03:b0c0:1:d0::1090:2001 and 178.62.60.201.
Mail Servers
sibcat.cz is handled by two mail servers: mail5.onebit.cz and mx5.onebit.eu.
sibcat.cz uses the same mail server setup as other domains, for instance avon-centrum-ostrava.cz, catax.cz, mkvm.cz, elontech.eu and maraexsoft.com.
sibcat.cz shares at least partially some mail servers with other domains, for instance kiva.cz, pelant.org, ceplant.com, euroclimbing.com and gtmandl.cz.
these mail servers are commonly used alongside mx5.onebit.cz and mx5.onebit.org.
Host names with one IP:
mail5.onebit.cz points to: 62.109.128.119
mx5.onebit.eu points to: 185.102.21.66