prolinux.cz - dns.ninja

prolinux.cz

DNSSEC⚠️ Not signed
A81.0.225.147🇨🇿 CASABLANCA-AS81.0.225.0/24 Casablanca INT
NSns3.jni.cz
A81.0.225.145🇨🇿 CASABLANCA-AS81.0.225.0/24 Casablanca INT
NSns2.jni.cz
A2a01:28:ca:188::209🇨🇿 SuperNetwork2a01:28::/32 s.r.o.
A81.0.217.109🇨🇿 CASABLANCA-AS81.0.217.0/24 Casablanca INT
MXmail.prolinux.cz
A81.0.225.149🇨🇿 CASABLANCA-AS81.0.225.0/24 Casablanca INT
TXTv=spf1 mx a -all
SOAns3.jni.czdns@jni.cz 2025-09-28 #1

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=1785593843

Subdomains

Same first word

Similar names

DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSns2.jni.czns3.jni.czns1.jni.czMXmail.prolinux.czmail2.jni.czA81.0.225.14789.187.135.20989.187.135.76
NSns1.jni.cz2015-08-13 → 2016-03-12 · 4 obs
● 2015-08-13 03:32:34
● 2016-03-12 06:08:30
○ 2017-02-19 06:33:38
○ 2026-08-01 15:03:34
NSns2.jni.cz2015-08-13 → 2026-08-01 · 2 obs
● 2015-08-13 03:32:34
● 2026-08-01 15:03:34
NSns3.jni.cz2017-02-19 → 2026-08-01 · 3 obs
○ 2016-03-12 06:08:30
● 2017-02-19 06:33:38
● 2026-08-01 15:03:34
MXmail.prolinux.cz2015-08-13 → 2026-08-01 · 2 obs
● 2015-08-13 03:32:34
● 2026-08-01 15:03:34
MXmail2.jni.cz2015-08-13 → 2016-03-12 · 4 obs
● 2015-08-13 03:32:34
● 2016-03-12 06:08:30
○ 2017-02-19 06:33:38
○ 2026-08-01 15:03:34
A81.0.225.1472026-02-25 → 2026-08-01 · 3 obs
○ 2017-02-19 06:33:38
● 2026-02-25 14:23:00
● 2026-08-01 15:03:34
A89.187.135.2092017-02-19 → 2017-02-19 · 4 obs
○ 2016-03-12 06:08:30
● 2017-02-19 06:33:38
○ 2026-02-25 14:23:00
○ 2026-08-01 15:03:34
A89.187.135.762015-08-13 → 2016-03-12 · 4 obs
● 2015-08-13 03:32:34
● 2016-03-12 06:08:30
○ 2017-02-19 06:33:38
○ 2026-08-01 15:03:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz8 records
prolinux.czns2.jni.cz, ns3.jni.cz-

✅ Authoritative Response

Server:81.0.217.109

NS records: ns2.jni.cz, ns3.jni.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prolinux.cz (unsigned zone)

⏱️ Timing

Total: 980ms | Queries: -

📄 Records

TypeCountSample Data
A181.0.225.147
NS2ns2.jni.cz, ns3.jni.cz
MX1mail.prolinux.cz (pri: 10)
TXT1v=spf1 mx a -all
SOA1ns3.jni.cz dns.jni.cz

📌 Glue Records Collected

Total: 8

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

Analysis

Hierarchy

prolinux.cz is a parent domain of mail.prolinux.cz.

IP Addresses

prolinux.cz has exactly one IP address — 81.0.225.147.

kachlovakamna.cz, recoma.cz, lenovo.sk plus two other host names have IP numbers in common with prolinux.cz.

Name Servers

prolinux.cz is served by two delegated name servers, ns2.jni.cz and ns3.jni.cz.

The name server configuration of prolinux.cz is shared with other domains, for instance vilagarni.cz, rojicek.cz, electrolux-exclusive-program.cz and two others.

Host names pointing to two IP addresses:

ns2.jni.cz maps to two IP addresses — 81.0.217.109 and 2a01:28:ca:188::209.

Host names resolving to a single IP address:

ns3.jni.cz points to the IP address 81.0.225.145.

Mail Servers

prolinux.cz uses one mail server — mail.prolinux.cz.

There is one IP number for mail.prolinux.cz: 81.0.225.149.