`sobec.cz`

DNSSEC	⚠️ Not signed
NS	`ns.pipni.cz` ⚠️ Not in zone NS records
		A	93.185.104.4^{🇨🇿 VSHOSTING93.185.96.0/20 II.}
			PTR	`ns.pipni.cz`
NS	`ns2.pipni.cz` ⚠️ Not in zone NS records
		A	2a01:430:220::3^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`ns2.pipni.cz`
		A	83.167.247.20^{🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5}
			PTR	`ns2.pipni.cz`

`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=1776095236

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DNS History

2 records (2 active, 0 former)

●NSns.pipni.cz2026-03-30 → 2026-04-13 · 2 obs

● 2026-03-30 20:57:14
● 2026-04-13 15:58:36

●NSns2.pipni.cz2026-03-30 → 2026-04-13 · 2 obs

● 2026-03-30 20:57:14
● 2026-04-13 15:58:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
sobec.cz	ns.pipni.cz, ns2.pipni.cz	3 records

✅ Authoritative Response

Server:93.185.104.4

NS records: ns.pipni.cz, ns2.pipni.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sobec.cz (unsigned zone)

⏱️ Timing

Total: 984ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns.pipni.cz, ns2.pipni.cz, ns2.pipni.cz)

Analysis

Name Servers

sobec.cz's delegation uses two name servers: ns2.pipni.cz and ns.pipni.cz.

sobec.cz uses the same name server setup as other domains, such as filabrno.net, palous.com, nohel.cz, fbmi.net and matous.net.

sobec.cz at least partially shares name servers with other domains, including neoby.cz, fashion-arena.cz, elektroporuchy.cz, kovacovi.cz and blackmoresnight.cz.

These name servers are commonly used with ns3.pipni.cz.

Host names with two IP numbers: ns2.pipni.cz points to 2a01:430:220::3 and 83.167.247.20.

Host names with one IP number: ns.pipni.cz points to 93.185.104.4.

sobec.cz - robtex.com

sobec.cz

cz