lear.cz - dns.ninja

`lear.cz`

DNSSEC	⚠️ Not signed
A	2a02:c60:600::50:0^{🇨🇿 IP4ISP2a02:c60::/32 P4ISP z.s.p.o. network route}
		PTR	`web2.hucr.cz`
A	176.62.225.50^{🇨🇿 IP4ISP176.62.224.0/20 route}
NS	`alfa.ns.active24.cz` ⭐
		A	2a02:4a8:ac24:100::96:2^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`alfa.ns.active24.cz`
		A	81.95.96.2^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`alfa.ns.active24.cz`
NS	`beta.ns.active24.cz`
		A	2a00:4b40:1000:590:185:111:90:94^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`beta.ns.active24.cz`
		A	185.111.90.94^{🇭🇺 WEBSUPPORT-SRO-SK-AS185.111.88.0/22}
			PTR	`beta.ns.active24.cz`
NS	`gama.ns.active24.sk`
		A	2a00:1968:0:1002:185:71:158:30^{🇸🇪 LOOPIA32a00:1968::/48}
			PTR	`gama.ns.active24.sk`
		A	185.71.158.30^{🇸🇪 LOOPIA3185.71.158.0/24}
			PTR	`gama.ns.active24.sk`
SOA	`alfa.ns.active24.cz`hostmaster@active24.cz 2023-07-19 #12

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1786355240

Subdomains

mail.lear.cz

vpn.lear.cz

Same first word

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lear.ltd

lear.co.za

lear.ch

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lear.us

lear.tv

lear.email

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lear.co.kr

lear.co.uk

Similar names

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real.zone

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real.edu.my

rale.it

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alre.ro

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real.vg

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eral.me

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lera.co

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erla.cn

real.digital

real.lv

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aerl.in

real.red

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lera.dk

elra.ro

lera.com.au

elra.no

aerl.cloud

rela.fi

real.lu

arel.ch

real.app

lera.ai

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aler.com.tr

earl.in

arel.co

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aler.fr

erla.be

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real.cn

DNS History

14 records (5 active, 9 former)

●NSalfa.ns.active24.cz2026-02-23 → 2026-08-10 · 3 obs

○ 2021-02-01 14:04:28
● 2026-02-23 04:45:40
● 2026-08-10 10:27:58

●NSbeta.ns.active24.cz2026-02-23 → 2026-08-10 · 3 obs

○ 2021-02-01 14:04:28
● 2026-02-23 04:45:40
● 2026-08-10 10:27:58

●NSgama.ns.active24.sk2026-02-23 → 2026-08-10 · 3 obs

○ 2021-02-01 14:04:28
● 2026-02-23 04:45:40
● 2026-08-10 10:27:58

○NSkralovna.svamberk.cz2015-07-25 → 2017-08-12 · 4 obs

● 2015-07-25 17:21:14
● 2017-08-12 13:35:50
○ 2021-02-01 14:04:28
○ 2026-08-10 10:27:58

○NSns.forpsi.cz2021-02-01 → 2021-02-01 · 4 obs

○ 2017-08-12 13:35:50
● 2021-02-01 14:04:28
○ 2026-02-23 04:45:40
○ 2026-08-10 10:27:58

○NSns.forpsi.it2021-02-01 → 2021-02-01 · 4 obs

○ 2017-08-12 13:35:50
● 2021-02-01 14:04:28
○ 2026-02-23 04:45:40
○ 2026-08-10 10:27:58

○NSns.forpsi.net2021-02-01 → 2021-02-01 · 4 obs

○ 2017-08-12 13:35:50
● 2021-02-01 14:04:28
○ 2026-02-23 04:45:40
○ 2026-08-10 10:27:58

○NSns.livebox.cz2015-07-25 → 2017-08-12 · 4 obs

● 2015-07-25 17:21:14
● 2017-08-12 13:35:50
○ 2021-02-01 14:04:28
○ 2026-08-10 10:27:58

○NSsmudla.svamberk.cz2015-07-25 → 2017-08-12 · 4 obs

● 2015-07-25 17:21:14
● 2017-08-12 13:35:50
○ 2021-02-01 14:04:28
○ 2026-08-10 10:27:58

○MXmail.lear.cz2015-07-25 → 2017-08-12 · 4 obs

● 2015-07-25 17:21:14
● 2017-08-12 13:35:50
○ 2021-02-01 14:04:28
○ 2026-08-10 10:27:58

●A176.62.225.502021-02-01 → 2026-08-10 · 3 obs

○ 2017-08-12 13:35:50
● 2021-02-01 14:04:28
● 2026-08-10 10:27:58

○A194.12.32.1952016-12-08 → 2017-08-12 · 5 obs

○ 2016-09-10 01:33:08
● 2016-12-08 23:48:04
● 2017-08-12 13:35:50
○ 2021-02-01 14:04:28
○ 2026-08-10 10:27:58

○A212.47.12.172015-07-25 → 2016-09-10 · 4 obs

● 2015-07-25 17:21:14
● 2016-09-10 01:33:08
○ 2016-12-08 23:48:04
○ 2026-08-10 10:27:58

●A2a02:c60:600::50:02021-02-01 → 2026-08-10 · 3 obs

○ 2017-08-12 13:35:50
● 2021-02-01 14:04:28
● 2026-08-10 10:27:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
lear.cz	alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk	4 records

✅ Authoritative Response

Server:81.95.96.2

NS records: alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lear.cz (unsigned zone)

⏱️ Timing

Total: 1153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.62.225.50`
AAAA	1	`2a02:c60:600::50:0`
NS	3	`alfa.ns.active24.cz, beta.ns.active24.cz...`
SOA	1	`alfa.ns.active24.cz hostmaster.active24.`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (alfa.ns.active24.cz, alfa.ns.active24.cz, beta.ns.active24.cz...)

Analysis

Hierarchy

lear.cz is the parent domain of mail.lear.cz and vpn.lear.cz.

IP Addresses

lear.cz has two IP addresses: 176.62.225.50 and 2a02:c60:600::50:0

Additional host names — designtricka.cz, reha-centrum.cz, abclepidla.cz and two others — share IP numbers with lear.cz.

Name Servers

lear.cz is served by three name servers: alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.

There is at least partial name server overlap between lear.cz and other domains — directcare.cz, rofe.cz, simply-you.eu and two more among them.

These name servers tend to appear in combination with the name servers ns.dns4.cz, ns.globe.cz, ns.dns4.net and ns.servery.cz.

The hostnames alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk each direct to two IP addresses — alfa.ns.active24.cz to 81.95.96.2 and 2a02:4a8:ac24:100::96:2, beta.ns.active24.cz to 185.111.90.94 and 2a00:4b40:1000:590:185:111:90:94, and gama.ns.active24.sk to 185.71.158.30 and 2a00:1968:0:1002:185:71:158:30.