linuxguru.eu - dns.ninja

linuxguru.eu

DNSSEC🔒 Signed (DS record present)
A77.48.10.152🇨🇿 VODAFONE-CZ-AS77.48.0.0/17 Vodafone Czech Republic a.s.
PTRispconfig.chalupsky.org
NSns1.ignum.com
A2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48
PTRns1-bra.core.webglobe.com
A185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24
PTRns1-bra.core.webglobe.com
NSns2.ignum.cz
A2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
A217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
MXlinuxguru.eu ⭐ 🔒
A77.48.10.152🇨🇿 VODAFONE-CZ-AS77.48.0.0/17 Vodafone Czech Republic a.s.
PTRispconfig.chalupsky.org
TXTv=spf1 mx ip4:77.48.10.152 -all
SOAns1.ignum.comhostmaster@ignum.cz 2026-06-30 #1

eu

DNSSEC🔒 Signed (DS record present)
NSsi.dns.eu
NSbe.dns.eu
NSw.dns.eu
NSx.dns.eu
NSy.dns.eu
SOAsi.dns.eutech@eurid.eu serial=1126022804

MX for

Subdomains

Same first word

Similar names

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026NSns1.ignum.comns2.ignum.czMXlinuxguru.euA77.48.10.152109.107.200.155217.16.185.215
NSns1.ignum.com2015-05-07 → 2026-07-11 · 2 obs
● 2015-05-07 02:23:52
● 2026-07-11 13:43:20
NSns2.ignum.cz2015-05-07 → 2026-07-11 · 2 obs
● 2015-05-07 02:23:52
● 2026-07-11 13:43:20
MXlinuxguru.eu2015-05-07 → 2026-07-11 · 2 obs
● 2015-05-07 02:23:52
● 2026-07-11 13:43:20
A109.107.200.1552016-04-19 → 2017-01-23 · 5 obs
○ 2015-12-31 19:25:42
● 2016-04-19 13:09:08
● 2017-01-23 16:38:54
○ 2019-03-17 04:36:24
○ 2026-07-11 13:43:20
A217.16.185.2152015-05-07 → 2015-12-31 · 4 obs
● 2015-05-07 02:23:52
● 2015-12-31 19:25:42
○ 2016-04-19 13:09:08
○ 2026-07-11 13:43:20
A77.48.10.1522019-03-17 → 2026-07-11 · 3 obs
○ 2017-01-23 16:38:54
● 2019-03-17 04:36:24
● 2026-07-11 13:43:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
eube.dns.eu, x.dns.eu, y.dns.eu, w.dns.eu...-
linuxguru.euns1.ignum.com, ns2.ignum.cz-

✅ Authoritative Response

Server:217.31.48.201

NS records: ns1.ignum.com, ns2.ignum.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2093ms | Queries: -

📄 Records

TypeCountSample Data
A177.48.10.152
NS2ns1.ignum.com, ns2.ignum.cz
MX1linuxguru.eu (pri: 10)
TXT1v=spf1 mx ip4:77.48.10.152 -all
SOA1ns1.ignum.com hostmaster.ignum.cz

Analysis

Hierarchy

server.linuxguru.eu is a subdomain of linuxguru.eu.

Mail Server Role

linuxguru.eu serves as a mail server for linuxguru.eu.

IP Addresses

linuxguru.eu has exactly one IP address — 77.48.10.152.

Other host names — ispconfig.chalupsky.org, chalupsky.org, server.linuxguru.eu and citrus.chalupsky.org — share IP numbers with linuxguru.eu.

Name Servers

linuxguru.eu is delegated to two name servers: ns1.ignum.com and ns2.ignum.cz.

The name server configuration of linuxguru.eu is shared with other domains, for instance idluh.sk, businessplus.cz, jixe.cz and two others.

The name servers of linuxguru.eu overlap at least partially with those of other domains — among them studyprograms.cz, hortis.net, tradinet.cz and two more.

The name servers ns1.ignum.eu, ns2.ignum.eu and ns3.ignum.eu are commonly seen alongside these name servers.

ns1.ignum.com and ns2.ignum.cz each resolve to two IP addresses: ns1.ignum.com points to 185.65.223.35 and 2a00:1e40:a:53::5, while ns2.ignum.cz points to 217.31.48.201 and 2001:1ab0:7e1e:2::5.

Mail Servers

linuxguru.eu uses exactly one mail server, which is linuxguru.eu.

linuxguru.eu resolves to a single IP number: 77.48.10.152.