`ds-engineering.cz`

DNSSEC	⚠️ Not signed
A	2001:67c:e94:1:1:5bef:c90f:1^{Blindspot2001:67c:e94::/48 THINLINE-BlindSpot}
		PTR	`rproxy4.thinline.cz`
A	91.239.201.15^{🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot}
NS	`ns1.thinline.cz` ⭐
		A	2001:67c:e94:0:1:5bef:c8f3:1^{Blindspot2001:67c:e94::/48 THINLINE-BlindSpot}
			PTR	`ns1.thinline.cz`
		A	91.239.200.243^{🇨🇿 Blindspot91.239.200.0/23 THINLINE-BlindSpot}
			PTR	`ns1.thinline.cz`
NS	`ns2.thinline.cz`
		A	2001:4de8:fa22:0:1:5264:602:1^{🇨🇿 QUANTCOM-AS2001:4de8::/32 Dial Telecom, a.s.}
			PTR	`ns2.thinline.cz`
		A	82.100.6.2^{🇨🇿 QUANTCOM-AS82.100.0.0/18 Dial Telecom, a.s.}
			PTR	`ns2.thinline.cz`
NS	`ns3.cesky-hosting.eu`
		A	2001:67c:e94:1:1:5bef:ca12:1^{Blindspot2001:67c:e94::/48 THINLINE-BlindSpot}
			PTR	`ns3.cesky-hosting.eu`
		A	91.239.202.18^{🇨🇿 Blindspot91.239.202.0/23 THINLINE-BlindSpot}
			PTR	`ns3.cesky-hosting.eu`
MX	`mxavas.forpsi.com` ⭐
		A	81.2.195.200^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`mxavas.forpsi.com`
TXT	`v=spf1 a mx include:_spf.forpsi.com ip4:95.168.198.3 -all`
SOA	`ns1.thinline.cz`hostmaster@ds-engineering.cz serial=20253166

`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=1776188836

Same first word

ds-engineering.cz

ds-engineering.ru

Similar names

sd-engineering.de

ingreen-design.com

sd-engineering.nl

DNS History

9 records (6 active, 3 former)

○NSns1.ignum.com2015-06-09 → 2019-01-17 · 4 obs

● 2015-06-09 03:07:42
● 2019-01-17 19:24:06
○ 2026-04-07 07:38:24
○ 2026-04-14 18:29:48

●NSns1.thinline.cz2026-04-07 → 2026-04-14 · 3 obs

○ 2019-01-17 19:24:06
● 2026-04-07 07:38:24
● 2026-04-14 18:29:48

○NSns2.ignum.cz2015-06-09 → 2019-01-17 · 4 obs

● 2015-06-09 03:07:42
● 2019-01-17 19:24:06
○ 2026-04-07 07:38:24
○ 2026-04-14 18:29:48

●NSns2.thinline.cz2026-04-07 → 2026-04-14 · 3 obs

○ 2019-01-17 19:24:06
● 2026-04-07 07:38:24
● 2026-04-14 18:29:48

●NSns3.cesky-hosting.eu2026-04-07 → 2026-04-14 · 3 obs

○ 2019-01-17 19:24:06
● 2026-04-07 07:38:24
● 2026-04-14 18:29:48

●MXmxavas.forpsi.com2015-06-09 → 2026-04-14 · 2 obs

● 2015-06-09 03:07:42
● 2026-04-14 18:29:48

●A2001:67c:e94:1:1:5bef:c90f:12026-04-07 → 2026-04-14 · 3 obs

○ 2019-01-17 19:24:06
● 2026-04-07 07:38:24
● 2026-04-14 18:29:48

○A81.2.195.1922015-06-09 → 2019-01-17 · 4 obs

● 2015-06-09 03:07:42
● 2019-01-17 19:24:06
○ 2026-04-07 07:38:24
○ 2026-04-14 18:29:48

●A91.239.201.152026-04-07 → 2026-04-14 · 3 obs

○ 2019-01-17 19:24:06
● 2026-04-07 07:38:24
● 2026-04-14 18:29:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
ds-engineering.cz	ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu	4 records

✅ Authoritative Response

Server:91.239.200.243

NS records: ns1.thinline.cz, ns2.thinline.cz, ns3.cesky-hosting.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ds-engineering.cz (unsigned zone)

⏱️ Timing

Total: 1193ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.239.201.15`
AAAA	1	`2001:67c:e94:1:1:5bef:c90f:1`
NS	3	`ns1.thinline.cz, ns3.cesky-hosting.eu...`
MX	1	`mxavas.forpsi.com (pri: 10)`
TXT	1	`v=spf1 a mx include:_spf.forpsi.com ip4:`
SOA	1	`ns1.thinline.cz hostmaster.ds-engineerin`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.thinline.cz, ns1.thinline.cz, ns2.thinline.cz...)

Analysis

IP Addresses

ds-engineering.cz has two IP numbers: 2001:67c:e94:1:1:5bef:c90f:1 and 91.239.201.15.

Other host names, for instance vkslaviahk.cz, www.goldentouch.cz, mu-vozice.cz, globalfol.cz and krejcovstviuborufky.cz share IP numbers with ds-engineering.cz.

Name Servers

ds-engineering.cz is delegated to three name servers: ns1.thinline.cz, ns2.thinline.cz and ns3.cesky-hosting.eu.

ds-engineering.cz at least partially shares name servers with other domains, including wolvesfcnews.com, lavadome.org, plyntopplzen.cz, driving-school.pl and enterstore.com.

Host names with two IP numbers:

ns1.thinline.cz: 2001:67c:e94:0:1:5bef:c8f3:1 and 91.239.200.243

ns2.thinline.cz: 2001:4de8:fa22:0:1:5264:602:1 and 82.100.6.2

ns3.cesky-hosting.eu: 2001:67c:e94:1:1:5bef:ca12:1 and 91.239.202.18

Mail Servers

A single mail server handles ds-engineering.cz, mxavas.forpsi.com.

ds-engineering.cz shares the same mail server setup as other domains, for instance stojanov.cz, svatos.net, fitfat.hu, katakomby.cz and jukamotorsport.cz.

ds-engineering.cz shares at least some mail servers with other domains, for instance polysan.net, atranet.cz and klnet.cz.

Host name mxavas.forpsi.com resolves to a single IP: 81.2.195.200.

ds-engineering.cz - robtex.com