`goodworker.cz`

DNSSEC	⚠️ Not signed
A	81.2.196.60^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
		PTR	`redirect.forpsi.com`
NS	`ns.grdns.cz` ⭐
		A	2001:15e8:101:1::c268^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.grdns.cz`
		A	81.2.194.104^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.grdns.cz`
NS	`ns.grdns.it`
		A	2a00:6d41:2:1::7^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.grdns.it`
		A	95.110.254.167^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`ns.grdns.it`
SOA	`ns.grdns.cz`admin@forpsi.com 2025-12-09 #1

`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=1774599438

Previously MX for

goodworker.cz

Same first word

goodworker.cz

goodworker.de

DNS History

6 records (3 active, 3 former)

●NSns.grdns.cz2015-07-16 → 2026-03-27 · 2 obs

● 2015-07-16 16:46:10
● 2026-03-27 08:47:26

●NSns.grdns.it2015-07-16 → 2026-03-27 · 2 obs

● 2015-07-16 16:46:10
● 2026-03-27 08:47:26

○MXgoodworker.cz2015-07-16 → 2017-01-14 · 4 obs

● 2015-07-16 16:46:10
● 2017-01-14 17:45:40
○ 2018-06-27 04:38:34
○ 2026-03-27 08:47:26

○MXmail.goodworker.cz2018-06-27 → 2018-06-27 · 4 obs

○ 2017-01-14 17:45:40
● 2018-06-27 04:38:34
○ 2026-02-17 11:16:12
○ 2026-03-27 08:47:26

●A81.2.196.602026-02-17 → 2026-03-27 · 3 obs

○ 2018-06-27 04:38:34
● 2026-02-17 11:16:12
● 2026-03-27 08:47:26

○A89.187.142.1342015-07-16 → 2018-06-27 · 4 obs

● 2015-07-16 16:46:10
● 2018-06-27 04:38:34
○ 2026-02-17 11:16:12
○ 2026-03-27 08:47:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
goodworker.cz	ns.grdns.cz, ns.grdns.it	2 records

✅ Authoritative Response

Server:81.2.194.104

NS records: ns.grdns.cz, ns.grdns.it

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for goodworker.cz (unsigned zone)

⏱️ Timing

Total: 1305ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.2.196.60`
NS	2	`ns.grdns.cz, ns.grdns.it`
SOA	1	`ns.grdns.cz admin.forpsi.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

goodworker.cz points to a single IP: 81.2.196.60.

Other host names, for instance mixmarkt.cz, hsline.eu, asakogroup.com, mini-clinic.cz and marino.cz share IP numbers with goodworker.cz.

Name Servers

goodworker.cz's delegation is to two name servers ns.grdns.cz and ns.grdns.it.

goodworker.cz shares the same name server configuration as other domains, such as podchribi.cz, adomis.cz, tluchor.cz, greening.cz and futuranp.eu.

goodworker.cz shares name servers with other domains at least partially, for example triton.lt.

Host names with two IP numbers: ns.grdns.cz points to 2001:15e8:101:1::c268 and 81.2.194.104; ns.grdns.it points to 2a00:6d41:2:1::7 and 95.110.254.167

goodworker.cz - robtex.com

goodworker.cz

cz