webkoder.cz - dns.ninja

webkoder.cz

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1783441039

Same first word

Similar names

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSjaguar.blueboard.czns2.blueboard.czshinzon.blueboard.czMXjaguar.blueboard.czns2.blueboard.czA217.11.249.139
NSjaguar.blueboard.cz2026-06-22 → 2026-07-07 · 3 obs
○ 2015-07-08 15:01:22
● 2026-06-22 03:14:52
● 2026-07-07 16:42:34
NSns2.blueboard.cz2015-07-08 → 2026-07-07 · 2 obs
● 2015-07-08 15:01:22
● 2026-07-07 16:42:34
NSshinzon.blueboard.cz2015-07-08 → 2026-07-07 · 2 obs
● 2015-07-08 15:01:22
● 2026-07-07 16:42:34
MXjaguar.blueboard.cz2015-07-08 → 2026-07-07 · 2 obs
● 2015-07-08 15:01:22
● 2026-07-07 16:42:34
MXns2.blueboard.cz2015-07-08 → 2018-07-21 · 4 obs
● 2015-07-08 15:01:22
● 2018-07-21 10:55:08
○ 2026-06-22 03:14:52
○ 2026-07-07 16:42:34
A217.11.249.1392015-07-08 → 2026-07-07 · 2 obs
● 2015-07-08 15:01:22
● 2026-07-07 16:42:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
webkoder.czshinzon.blueboard.cz, ns2.blueboard.cz, jaguar.blueboard.cz3 records

✅ Authoritative Response

Server:178.251.187.8

NS records: shinzon.blueboard.cz, ns2.blueboard.cz, jaguar.blueboard.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webkoder.cz (unsigned zone)

⏱️ Timing

Total: 1164ms | Queries: -

📄 Records

TypeCountSample Data
A1217.11.249.139
NS2shinzon.blueboard.cz, ns2.blueboard.cz
MX1jaguar.blueboard.cz (pri: 10)
TXT1v=spf1 a mx include:spf.blueboard.cz -al
SOA1shinzon.blueboard.cz hostmaster.shinzon.

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (shinzon.blueboard.cz, jaguar.blueboard.cz, ns2.blueboard.cz)

Analysis

IP Addresses

webkoder.cz has exactly one IP address — 217.11.249.139.

lojzo.cz, sobe.cz, angio.cz plus two other host names have IP numbers in common with webkoder.cz.

Name Servers

Three name servers are authoritative for webkoder.cz: jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz.

webkoder.cz partially shares its NS delegation with several other domains, including teroos.cz, alkut.cz, idomy.cz and two others.

These name servers often co-occur with the name servers ns2.miniserver.cz.

jaguar.blueboard.cz resolves to 178.251.187.8 and 2a00:1ed0:45::c. ns2.blueboard.cz resolves to 195.201.57.122 and 2a01:4f8:13b:8d4::2. shinzon.blueboard.cz resolves to 178.251.187.7 and 2a00:1ed0:45::b. All three hostnames point to two IP numbers each.

Mail Servers

webkoder.cz uses one mail server — jaguar.blueboard.cz.

The mail server setup of webkoder.cz matches that of other domains such as vycepni-zarizeni.com, ketrys.cz, nikdo.eu and two others.

At least some of the mail servers used by webkoder.cz are shared with other domains: jicin.org, tomask.info, simanek.eu and two others among them.