`hostmaster.isolate.cz`

DNSSEC	⚠️ Not signed
A	89.221.216.223^{🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.}
		PTR	`www-public.art-data.com`

`isolate.cz`

	DNSSEC	⚠️ Not signed
	A	89.221.216.223^{🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.}
	NS	`ns1.art-data.com` ⭐
	NS	`ns2.art-data.com`
	MX	`mail.art-data.com` ⭐
	SOA	`ns1.art-data.com`hostmaster@isolate.cz serial=1590777805

WOT: SAFE (63/100)
WOT: SAFE (69/100)

Same first word

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DNS History

2 records (1 active, 1 former)

○A193.19.176.2102015-06-28 → 2016-04-23 · 4 obs

● 2015-06-28 09:34:52
● 2016-04-23 13:09:10
○ 2026-03-07 09:23:12
○ 2026-05-11 18:16:58

●A89.221.216.2232026-03-07 → 2026-05-11 · 3 obs

○ 2016-04-23 13:09:10
● 2026-03-07 09:23:12
● 2026-05-11 18:16:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz	-
isolate.cz	ns1.art-data.com, ns2.art-data.com	-

✅ Authoritative Response

Server:31.31.72.44

NS records: ns1.art-data.com, ns2.art-data.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isolate.cz (unsigned zone)

⏱️ Timing

Total: 752ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.221.216.223`

Analysis

IP Addresses

hostmaster.isolate.cz resolves to a single IP: 89.221.216.223.

Other host names, for instance is-up.net, hostmaster.neslysim.cz, art-data.net, mbzs.net and node5.art-data.com share IP numbers with hostmaster.isolate.cz.

hostmaster.isolate.cz - robtex.com