jdev.cz - dns.ninja

jdev.cz

DNSSEC🔒 Signed (DS record present)
A2001:1528:240::29🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRscimitar.blueboard.cz
A217.11.249.145🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT
NSshinzon.blueboard.cz ⭐
A2a00:1ed0:45::b🇨🇿 VSHOSTING2a00:1ed0::/32
PTRshinzon.blueboard.cz
A178.251.187.7🇨🇿 VSHOSTING178.251.184.0/21
PTRshinzon.blueboard.cz
NSjaguar.blueboard.cz ⚠️ Not in zone NS records
A2a00:1ed0:45::c🇨🇿 VSHOSTING2a00:1ed0::/32
PTRjaguar.blueboard.cz
A178.251.187.8🇨🇿 VSHOSTING178.251.184.0/21
PTRjaguar.blueboard.cz
NSns2.blueboard.cz
A2a01:4f8:13b:8d4::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A195.201.57.122🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC
PTRns2.blueboard.cz
MXmx.blueboard.cz ⭐
A2001:1528:240::ca🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRmx.blueboard.cz
A81.0.209.130🇨🇿 CASABLANCA-AS81.0.208.0/23 Casablanca INT
PTRmx.blueboard.cz
TXTv=spf1 a mx include:spf.blueboard.cz -all
SOAshinzon.blueboard.czhostmaster@blueboard.cz 2024-12-12 #8

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=1785226652

Same first word

jdev.run
jdev.eu
jdev.in
jdev.de
jdev.me
jdev.be
jdev.nl
jdev.co
jdev.co.za
jdev.co.uk
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jdev.tw

Similar names

jedv.at
ejdv.nl
vdej.de
ejdv.de
devj.org
dvej.com
edjv.ch
jdve.net
dejv.net
djve.nl
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devj.nl
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dejv.org
vejd.com
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vjed.com
vdej.nl
ejdv.com
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dejv.com
jvde.cn
devj.cn
dejv.cn
dejv.sk
jved.com
evdj.com
ejdv.dk
vedj.com
evdj.nl
djev.com
jedv.de
jdve.com
jvde.us
evdj.de
evdj.xyz
jvde.nl

DNS History

13 records (6 active, 7 former)

20192020202120222023202420252026NSjaguar.blueboard.czns2.blueboard.czshinzon.blueboard.czns1.thinline.czns2.thinline.czns3.cesky-hosting.euMXmx.blueboard.czmx1b20.thinline.czmx1d10.thinline.czA2001:1528:240::29217.11.249.1452a00:1ed0:2:1:1:5bef:c90e:191.239.201.14
●NSjaguar.blueboard.cz2026-02-19 → 2026-07-28 · 3 obs
○ 2018-05-12 00:23:26
● 2026-02-19 14:13:34
● 2026-07-28 08:39:52
○NSns1.thinline.cz2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 00:23:26
○ 2026-02-19 14:13:34
○ 2026-07-28 08:39:52
●NSns2.blueboard.cz2026-02-19 → 2026-07-28 · 3 obs
○ 2018-05-12 00:23:26
● 2026-02-19 14:13:34
● 2026-07-28 08:39:52
○NSns2.thinline.cz2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 00:23:26
○ 2026-02-19 14:13:34
○ 2026-07-28 08:39:52
○NSns3.cesky-hosting.eu2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 00:23:26
○ 2026-02-19 14:13:34
○ 2026-07-28 08:39:52
●NSshinzon.blueboard.cz2026-02-19 → 2026-07-28 · 3 obs
○ 2018-05-12 00:23:26
● 2026-02-19 14:13:34
● 2026-07-28 08:39:52
●MXmx.blueboard.cz2026-02-19 → 2026-07-28 · 3 obs
○ 2018-05-12 00:23:26
● 2026-02-19 14:13:34
● 2026-07-28 08:39:52
○MXmx1b20.thinline.cz2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 00:23:26
○ 2026-02-19 14:13:34
○ 2026-07-28 08:39:52
○MXmx1d10.thinline.cz2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 00:23:26
○ 2026-02-19 14:13:34
○ 2026-07-28 08:39:52
●A2001:1528:240::292026-02-19 → 2026-07-28 · 3 obs
○ 2018-05-12 00:23:26
● 2026-02-19 14:13:34
● 2026-07-28 08:39:52
●A217.11.249.1452026-02-19 → 2026-07-28 · 3 obs
○ 2018-05-12 00:23:26
● 2026-02-19 14:13:34
● 2026-07-28 08:39:52
○A2a00:1ed0:2:1:1:5bef:c90e:12018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 00:23:26
○ 2026-02-19 14:13:34
○ 2026-07-28 08:39:52
○A91.239.201.142018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 00:23:26
○ 2026-02-19 14:13:34
○ 2026-07-28 08:39:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
jdev.czns2.blueboard.cz, jaguar.blueboard.cz, shinzon.blueboard.cz3 records

✅ Authoritative Response

Server:178.251.187.8

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1016ms | Queries: -

📄 Records

TypeCountSample Data
A1217.11.249.145
AAAA12001:1528:240::29
NS2shinzon.blueboard.cz, ns2.blueboard.cz
MX1mx.blueboard.cz (pri: 10)
TXT1v=spf1 a mx include:spf.blueboard.cz -al
SOA1shinzon.blueboard.cz hostmaster.blueboar

📌 Glue Records Collected

Total: 11

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)

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

Analysis

IP Addresses

jdev.cz has two IP addresses: 217.11.249.145 and 2001:1528:240::29

edeco.cz, www.raselinove-zabaly.sk, bochnak.art plus two other host names have IP numbers in common with jdev.cz.

Name Servers

jdev.cz is delegated to three name servers: jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz.

The name servers of jdev.cz overlap at least partially with those of other domains — among them bondus.cz, bastien.cz, bonushry.cz and two more.

jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz each resolve to two IP addresses: 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.

Mail Servers

jdev.cz uses one mail server — mx.blueboard.cz.

The mail server setup of jdev.cz matches that of other domains such as zahyb.cz, jursa.cz, (0x616e616c)ytickalaborator.cz and two others.

jdev.cz has mail servers in common with other domains — topasplus.cz being one example.

mx.blueboard.cz resolves to two IP numbers — 81.0.209.130 and 2001:1528:240::ca.