`netmaster.dataexpert.cz`

DNSSEC	⚠️ Not signed
A	84.42.211.226^{🇨🇿 VODAFONE-CZ-AS84.42.192.0/18 Vodafone Czech Republic a.s.}
		PTR	`gate.dataexpert.cz`

`dataexpert.cz`

	DNSSEC	⚠️ Not signed
	A	84.42.211.226^{🇨🇿 VODAFONE-CZ-AS84.42.192.0/18 Vodafone Czech Republic a.s.}
	NS	`ns.powernet.cz` ⭐
	NS	`nss.powernet.cz`
	NS	`nst.powernet.cz` ⚠️ Not in parent delegation
	MX	`gate.dataexpert.cz` ⭐
	TXT	`google-site-verification=LdRJ2TRfgC08rtUCuSZummwbdN9sOoqsuQBQ8d0rbYQ`
	TXT	`MS=ms22741068`
	TXT	`v=spf1 mx ip4:84.42.211.226/32 ip4:193.109.179.0/27 ?all`
	TXT	`google-site-verification=HFf45l-8qEonHEVEDEGBVf2UrgkB972SFg2I1ldHrs0`
	SOA	`ns.powernet.cz`netmaster@endata.cz 2024-12-02 #1

Same first word

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DNS History

2 records (1 active, 1 former)

○A193.109.180.1232015-08-14 → 2016-03-15 · 4 obs

● 2015-08-14 15:18:50
● 2016-03-15 03:30:06
○ 2026-02-22 02:39:48
○ 2026-05-11 00:58:38

●A84.42.211.2262026-02-22 → 2026-05-11 · 3 obs

○ 2016-03-15 03:30:06
● 2026-02-22 02:39:48
● 2026-05-11 00:58:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
dataexpert.cz	ns.powernet.cz, nss.powernet.cz	2 records

✅ Authoritative Response

Server:80.211.216.103

NS records: ns.powernet.cz, nss.powernet.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dataexpert.cz (unsigned zone)

⏱️ Timing

Total: 782ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`84.42.211.226`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.powernet.cz, nss.powernet.cz)

Analysis

IP Addresses

netmaster.dataexpert.cz maps to IP address 84.42.211.226.

Other host names, for instance gate.dataexpert.cz, dataexpert.cz, datamars.sk, polymark.cz and datamars.cz share IP numbers with netmaster.dataexpert.cz.

netmaster.dataexpert.cz - robtex.com