activelearning.cz - dns.ninja

activelearning.cz

DNSSEC🔒 Signed (DS record present)
A2001:880:0:15::35c🇩🇪 ONE-NETWORK2001:880::/32
PTRdw309.endora.cz
A185.102.21.34🇨🇿 ONE-NETWORK185.102.21.0/24
NSns.endora.cz
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
NSns.endoraland.com
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
MXactivelearning-cz.mail.protection.outlook.com
A2a01:111:f403:ca04::2🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca04::7🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::3🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A52.101.68.8🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-du0pr03cu00100.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.22🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00106.inbound.protection.outlook.com
A52.101.73.153🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00401.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com include:spf.skolaonline.cz -all
TXTMS=ms67581744
SOAns.endora.czadmin@activelearning.cz 2026-08-10 #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=1786655859

Same first word

Similar names

DNS History

5 records (5 active, 0 former)

NSns.endora.czns.endoraland.comMXactivelearning-cz.mail.protection.outlook.comA185.102.21.342001:880:0:15::35c
NSns.endora.cz2026-03-01 → 2026-08-13 · 2 obs
● 2026-03-01 06:55:44
● 2026-08-13 22:01:02
NSns.endoraland.com2026-03-01 → 2026-08-13 · 2 obs
● 2026-03-01 06:55:44
● 2026-08-13 22:01:02
MXactivelearning-cz.mail.protection.outlook.com2026-03-01 → 2026-08-13 · 2 obs
● 2026-03-01 06:55:44
● 2026-08-13 22:01:02
A185.102.21.342026-03-01 → 2026-08-13 · 2 obs
● 2026-03-01 06:55:44
● 2026-08-13 22:01:02
A2001:880:0:15::35c2026-03-01 → 2026-08-13 · 2 obs
● 2026-03-01 06:55:44
● 2026-08-13 22:01:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
activelearning.czns.endora.cz, ns.endoraland.com-

✅ Authoritative Response

Server:217.31.48.201

NS records: ns.endora.cz, ns.endoraland.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1541ms | Queries: -

📄 Records

TypeCountSample Data
A1185.102.21.34
AAAA12001:880:0:15::35c
NS2ns.endora.cz, ns.endoraland.com
MX1activelearning-cz.mail.protection.outloo
TXT2MS=ms67581744, v=spf1 include:spf.protection.outlook.co
SOA1ns.endora.cz admin.activelearning.cz

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

activelearning.cz has two IP addresses: 185.102.21.34 and 2001:880:0:15::35c

Additional host names — sesi.cz, zhlednuto.cz, ctyrlistekms.cz and two others — share IP numbers with activelearning.cz.

Name Servers

DNS delegation for activelearning.cz points to two name servers: ns.endoraland.com and ns.endora.cz.

activelearning.cz shares its name server setup with other domains, including uspesnyprvnacek.cz, laks.cz, zskupeckeho.eu and two others.

activelearning.cz has some name servers in common with other domains such as eurocampy.eu, scjupraha.eu and beautyparadise.cz

ns.endoraland.com directs to 217.31.48.201 and 2001:1ab0:7e1e:2::5. ns.endora.cz directs to 185.65.223.35 and 2a00:1e40:a:53::5. Each host name carries two IP addresses.

Mail Servers

activelearning.cz has one mail server: activelearning-cz.mail.protection.outlook.com.

activelearning-cz.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.8, 52.101.68.18, 52.101.73.22 and 5 other.