dkchemo.cz - robtex.com
dkchemo.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=1791789445 | ||||||
Subdomains
hostmaster.dkchemo.cz |
Same first word
dkchemo.cz |
Similar names
Previous names
Next names
DNS History
11 records (6 active, 5 former)
●NSns.onebit.org2015-07-31 → 2026-10-12 · 2 obs
● 2026-10-12 07:26:46
○MXmail1.onebit.cz2015-07-31 → 2015-07-31 · 3 obs
○ 2015-11-30 01:28:34
○ 2026-10-12 07:26:46
○MXmx1.onebit.org2015-07-31 → 2015-07-31 · 3 obs
○ 2015-11-30 01:28:34
○ 2026-10-12 07:26:46
●MXmx9.onebit.cz2015-11-30 → 2026-10-12 · 3 obs
● 2015-11-30 01:28:34
● 2026-10-12 07:26:46
●MXmx9.onebit.eu2015-11-30 → 2026-10-12 · 3 obs
● 2015-11-30 01:28:34
● 2026-10-12 07:26:46
○MXmx9.onebit.org2015-11-30 → 2017-08-22 · 5 obs
● 2015-11-30 01:28:34
● 2017-08-22 08:26:30
○ 2026-03-26 06:20:02
○ 2026-10-12 07:26:46
○A178.238.37.1642015-11-30 → 2017-08-22 · 5 obs
● 2015-11-30 01:28:34
● 2017-08-22 08:26:30
○ 2026-03-26 06:20:02
○ 2026-10-12 07:26:46
●A62.109.154.782026-03-26 → 2026-10-12 · 3 obs
● 2026-03-26 06:20:02
● 2026-10-12 07:26:46
○A81.31.45.812015-07-31 → 2015-07-31 · 3 obs
○ 2015-11-30 01:28:34
○ 2026-10-12 07:26:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| dkchemo.cz | ns.onebit.cz, ns.onebit.eu, ns.onebit.org | 2 records |
✅ Authoritative Response
Server:185.65.223.35
NS records: ns.onebit.cz, ns.onebit.eu, ns.onebit.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dkchemo.cz (unsigned zone)
⏱️ Timing
Total: 1609ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.109.154.78 |
| NS | 3 | ns.onebit.cz, ns.onebit.eu... |
| MX | 2 | mx9.onebit.cz (pri: 0), mx9.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
hostmaster.dkchemo.cz is delegated beneath dkchemo.cz.
IP Addresses
dkchemo.cz has exactly one IP address — 62.109.154.78.
napisdiplomku.cz, 4000.cz, holman.cz plus two other host names have IP numbers in common with dkchemo.cz.
Name Servers
Three name servers are authoritative for dkchemo.cz: ns.onebit.cz, ns.onebit.eu and ns.onebit.org.
There is at least partial name server overlap between dkchemo.cz and other domains — zaoli.org, uheligonky.cz, frnkova.cz and two more among them.
ns.onebit.cz resolves to 185.65.223.35 and 2a00:1e40:a:53::5. ns.onebit.eu resolves to 217.31.48.201 and 2001:1ab0:7e1e:2::5. ns.onebit.org resolves to 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001. All three hostnames point to two IP numbers each.
Mail Servers
dkchemo.cz uses two mail servers, mx9.onebit.cz and mx9.onebit.eu.
The mail server setup of dkchemo.cz matches that of other domains such as jeseniky-brontosaurus.cz, podlahovetopeni-ostrava.cz, havet.cz and two others.
At least some of the mail servers used by dkchemo.cz are shared with other domains: hanak-veletrzni.cz, ixs-sport.cz, crownauto.es and two others among them.
These mail servers tend to be used in conjunction with the mail servers mx9.onebit.org.
mx9.onebit.cz → 62.109.128.119 and mx9.onebit.eu → 185.102.21.66: one IP number per host name.