`kopacky.eu`

DNSSEC	⚠️ Not signed
A	83.167.234.136^{🇨🇿 MASTER-AS83.167.224.0/19 MASTER-NET-5}
		PTR	`83-167-234-136.static.masterinter.net`
NS	`dns1.master.cz` ⭐
		A	2a01:430:100:4c::acdc^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`dns1.master.cz`
		A	81.31.37.68^{🇨🇿 MASTER-AS81.31.32.0/20 MASTER-NET-1}
			PTR	`dns1.master.cz`
NS	`dns2.master.cz`
		A	2a01:430:200:1e::abba^{🇨🇿 MASTER-AS2a01:430::/32 MASTER-IPV6-1-MAI-CZ}
			PTR	`dns2.master.cz`
		A	80.79.16.4^{🇨🇿 MASTER-AS80.79.16.0/20 MASTER-NET-2}
			PTR	`dns2.master.cz`
SOA	`dns1.master.cz`noc@master.cz 2025-12-19 #14

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1122684027

Same first word

kopacky.com

kopacky.eu

kopacky.cz

DNS History

6 records (3 active, 3 former)

●NSdns1.master.cz2026-03-06 → 2026-03-27 · 3 obs

○ 2017-06-29 05:18:06
● 2026-03-06 08:12:24
● 2026-03-27 04:53:44

●NSdns2.master.cz2015-07-13 → 2026-03-27 · 2 obs

● 2015-07-13 20:49:12
● 2026-03-27 04:53:44

○NSns.kopacky.eu2015-07-13 → 2017-06-29 · 4 obs

● 2015-07-13 20:49:12
● 2017-06-29 05:18:06
○ 2026-03-06 08:12:24
○ 2026-03-27 04:53:44

○MXmail.kopacky.eu2015-07-13 → 2016-12-06 · 4 obs

● 2015-07-13 20:49:12
● 2016-12-06 09:45:10
○ 2017-06-29 05:18:06
○ 2026-03-27 04:53:44

●A83.167.234.1362026-03-06 → 2026-03-27 · 3 obs

○ 2017-06-29 05:18:06
● 2026-03-06 08:12:24
● 2026-03-27 04:53:44

○A83.167.234.452015-07-13 → 2017-06-29 · 4 obs

● 2015-07-13 20:49:12
● 2017-06-29 05:18:06
○ 2026-03-06 08:12:24
○ 2026-03-27 04:53:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
kopacky.eu	dns1.master.cz, dns2.master.cz	-

✅ Authoritative Response

Server:81.31.37.68

NS records: dns1.master.cz, dns2.master.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kopacky.eu (unsigned zone)

⏱️ Timing

Total: 1249ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.167.234.136`
NS	2	`dns1.master.cz, dns2.master.cz`
SOA	1	`dns1.master.cz noc.master.cz`

Analysis

IP Addresses

kopacky.eu resolves to a single IP address: 83.167.234.136.

Other host names including glamot.de, glamot.org, www.glamot.cz, www.necy.eu and glamot.net share IP numbers with kopacky.eu.

Name Servers

kopacky.eu's delegation uses two name servers, dns1.master.cz and dns2.master.cz.

kopacky.eu shares the same name server setup as other domains, for example plener-loket.com, tapa.cz, balkis.cz, scienceweek.cz and flash4shock.com.

kopacky.eu at least partially shares name servers with other domains, including ojeteauto.cz, rybareniroudnice.cz, (0x65726f746963)-store.cz, globalcollect.cz and salvatorhotels.cz.

these name servers are commonly used with d1561.masterinter.net, d723.masterinter.net, d1264.master.cz and eris.topdigital.cz.

Host names with two IPs:

dns1.master.cz points to: 2a01:430:100:4c::acdc and 81.31.37.68

dns2.master.cz points to: 2a01:430:200:1e::abba and 80.79.16.4

kopacky.eu - robtex.com

kopacky.eu

eu