koder.cz - robtex.com
koder.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=1786862870 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
○MXfatman.koder.cz2017-09-11 → 2017-09-11 · 5 obs
● 2017-09-11 22:47:58
● 2017-09-11 22:48:04
○ 2026-02-24 03:27:30
○ 2026-08-16 07:12:34
○MXmail.koder.cz2015-07-25 → 2017-06-24 · 4 obs
● 2017-06-24 13:21:16
○ 2017-09-11 22:47:58
○ 2026-08-16 07:12:34
●MXmx1.transmittal.net2026-02-24 → 2026-08-16 · 3 obs
● 2026-02-24 03:27:30
● 2026-08-16 07:12:34
○A195.181.208.212017-09-11 → 2017-09-11 · 5 obs
● 2017-09-11 22:47:58
● 2017-09-11 22:48:04
○ 2026-02-24 03:27:30
○ 2026-08-16 07:12:34
○A37.157.195.1912015-07-25 → 2017-06-24 · 4 obs
● 2017-06-24 13:21:16
○ 2017-09-11 22:47:58
○ 2026-08-16 07:12:34
●A94.130.104.442026-02-24 → 2026-08-16 · 3 obs
● 2026-02-24 03:27:30
● 2026-08-16 07:12:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| koder.cz | ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net | 4 records |
✅ Authoritative Response
Server:75.2.92.86
NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2071ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.130.104.44 |
| NS | 4 | ns.wedos.net, ns.wedos.cz... |
| MX | 1 | mx1.transmittal.net (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns.wedos.net wedos.wedos.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)
Analysis
Hierarchy
koder.cz serves as the parent of fatman.koder.cz and mail.koder.cz.
IP Addresses
koder.cz has exactly one IP address — 94.130.104.44.
koder.cz shares its IP numbers with other host names, including dt2.transmittal.net, doctype.cz, static.44.104.130.94.clients.your-server.de and michlik.cz.
Name Servers
Four name servers handle the delegation for koder.cz: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
There is at least partial name server overlap between koder.cz and other domains — rotaxmame.cz, poze.cz, boot-doctor.cz and two more among them.
Host names with four IP addresses:
ns.wedos.cz resolves to four IP addresses — 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net resolves to four IP addresses — 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.
Host names pointing to two IP addresses:
The A records for ns.wedos.com return 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
The A records for ns.wedos.eu return 185.8.238.0 and 2a0e:acc0:2::b:1:b1.
Mail Servers
koder.cz uses one mail server — mx1.transmittal.net.
Domains such as doctype.cz, topnekabely.com, michlik.cz and nativa.biz share their mail server configuration with koder.cz.
koder.cz and other domains — transmittal.net for instance — share at least some mail servers.
These mail servers tend to be used in conjunction with the mail servers mx2.transmittal.net.
mx1.transmittal.net resolves to 167.235.224.201 and no other IP number.