testserver.cz - dns.ninja

testserver.cz

DNSSEC⚠️ Not signed
A2001:1528:240::15🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRkrios.blueboard.cz
A217.11.249.139🇨🇿 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
MXtestserver.cz ⭐
A2001:1528:240::15🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network
PTRkrios.blueboard.cz
A217.11.249.139🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT
PTRkrios.blueboard.cz
SOAshinzon.blueboard.czhostmaster@shinzon.blueboard.cz 2008-06-10 #45

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=1786758442

MX for

testserver.cz

Same first word

testserver.us
testserver.onthewifi.com
testserver.io
testserver.com
testserver.nu
testserver.hu
testserver.org
testserver.in
testserver.biz
testserver.es
testserver.ws
testserver.li
testserver.tokyo
testserver.au
testserver.sakura.ne.jp
testserver.co.uk
testserver.se
testserver.eu
testserver.at
testserver.no
testserver.ch
testserver.xyz
testserver.info
testserver.net
testserver.it
testserver.pro
testserver.awsapps.com
testserver.de
testserver.cn
testserver.ne.jp
testserver.co.nz
testserver.ca
testserver.cz
testserver.host
testserver.nl
testserver.ru

Similar names

servertest.pro
servertest.de
servertest.nl
servertest.it
servertest.org
servertest.info
streetrevs.com
streetrevs.net
servertest.net
servertest.cz
servertest.co.uk
servertest.me
servertest.es
servertest.com
servertest.ug

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSjaguar.blueboard.czns2.blueboard.czshinzon.blueboard.czMXtestserver.czwww.testserver.czA2001:1528:240::15217.11.249.139213.195.220.160
●NSjaguar.blueboard.cz2026-03-26 → 2026-08-15 · 3 obs
○ 2015-08-03 03:25:04
● 2026-03-26 01:44:36
● 2026-08-15 02:42:50
●NSns2.blueboard.cz2015-08-03 → 2026-08-15 · 2 obs
● 2015-08-03 03:25:04
● 2026-08-15 02:42:50
●NSshinzon.blueboard.cz2015-08-03 → 2026-08-15 · 2 obs
● 2015-08-03 03:25:04
● 2026-08-15 02:42:50
●MXtestserver.cz2026-03-26 → 2026-08-15 · 3 obs
○ 2018-07-25 05:20:52
● 2026-03-26 01:44:36
● 2026-08-15 02:42:50
○MXwww.testserver.cz2015-08-03 → 2018-07-25 · 4 obs
● 2015-08-03 03:25:04
● 2018-07-25 05:20:52
○ 2026-03-26 01:44:36
○ 2026-08-15 02:42:50
●A2001:1528:240::152026-03-26 → 2026-08-15 · 3 obs
○ 2018-07-25 05:20:52
● 2026-03-26 01:44:36
● 2026-08-15 02:42:50
○A213.195.220.1602015-08-03 → 2018-07-25 · 4 obs
● 2015-08-03 03:25:04
● 2018-07-25 05:20:52
○ 2026-03-26 01:44:36
○ 2026-08-15 02:42:50
●A217.11.249.1392026-03-26 → 2026-08-15 · 3 obs
○ 2018-07-25 05:20:52
● 2026-03-26 01:44:36
● 2026-08-15 02:42:50

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:195.201.57.122

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for testserver.cz (unsigned zone)

⏱️ Timing

Total: 936ms | Queries: -

📄 Records

TypeCountSample Data
A1217.11.249.139
AAAA12001:1528:240::15
NS2shinzon.blueboard.cz, ns2.blueboard.cz
MX1testserver.cz (pri: 10)
SOA1shinzon.blueboard.cz hostmaster.shinzon.

📌 Glue Records Collected

Total: 3

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

Analysis

Mail Server Role

testserver.cz acts as its own mail server.

IP Addresses

testserver.cz resolves to the IP addresses 217.11.249.139 and 2001:1528:240::15

Additional host names — az4.cz, qetrix.org, laminitis.cz and two others — share IP numbers with testserver.cz.

Name Servers

testserver.cz carries NS records delegating to jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz.

testserver.cz shares at least some of its name servers with other domains, including catering-free.cz, pressexpress.cz, uroset.cz and two others.

These name servers are frequently seen alongside the name servers ns2.miniserver.cz.

jaguar.blueboard.cz, ns2.blueboard.cz and shinzon.blueboard.cz are three hostnames that each resolve to a pair of IP addresses: jaguar.blueboard.cz to 178.251.187.8 and 2a00:1ed0:45::c, ns2.blueboard.cz to 195.201.57.122 and 2a01:4f8:13b:8d4::2, and shinzon.blueboard.cz to 178.251.187.7 and 2a00:1ed0:45::b.

Mail Servers

testserver.cz has a single mail server: testserver.cz itself.

testserver.cz points to two IP addresses: 217.11.249.139 and 2001:1528:240::15.