`ipengineering.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a01:4f8:c2c:da75::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`lister.ipengineering.cz`
A	168.119.169.145^{🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC}
NS	`ns.forpsi.net` ⭐
		A	2001:15e8:101:1::c282^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.forpsi.net`
		A	81.2.194.130^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.forpsi.net`
NS	`ns.forpsi.cz`
		A	2001:15e8:201:1::d1b9^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.forpsi.cz`
		A	81.2.209.185^{🇨🇿 INTERNET-CZ81.2.209.0/24}
			PTR	`ns.forpsi.cz`
NS	`ns.forpsi.it`
		A	2a00:6d41:2:1::5^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.forpsi.it`
		A	95.110.254.165^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`host165-254-110-95.serverdedicati.aruba.it`
MX	`lister.ipengineering.cz` ⭐
		A	2a01:4f8:c2c:da75::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`lister.ipengineering.cz`
		A	168.119.169.145^{🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC}
			PTR	`lister.ipengineering.cz`
TXT	`v=spf1 a mx -all`
SOA	`ns.forpsi.net`admin@forpsi.com 2026-03-11 #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=1774756034

Subdomains

lister.ipengineering.cz

Same first word

ipengineering.cz

Similar names

piengineering.ca

piengineering.co.uk

piengineering.com

DNS History

8 records (6 active, 2 former)

●NSns.forpsi.cz2018-10-21 → 2026-03-29 · 2 obs

● 2018-10-21 20:02:04
● 2026-03-29 03:56:50

●NSns.forpsi.it2018-10-21 → 2026-03-29 · 2 obs

● 2018-10-21 20:02:04
● 2026-03-29 03:56:50

●NSns.forpsi.net2018-10-21 → 2026-03-29 · 2 obs

● 2018-10-21 20:02:04
● 2026-03-29 03:56:50

○MXipengineering.cz2018-10-21 → 2018-10-21 · 2 obs

● 2018-10-21 20:02:04
○ 2026-03-29 03:56:50

●MXlister.ipengineering.cz2026-03-29 → 2026-03-29 · 2 obs

○ 2018-10-21 20:02:04
● 2026-03-29 03:56:50

●A168.119.169.1452026-03-29 → 2026-03-29 · 2 obs

○ 2018-10-21 20:02:04
● 2026-03-29 03:56:50

○A195.201.34.492018-10-21 → 2018-10-21 · 2 obs

● 2018-10-21 20:02:04
○ 2026-03-29 03:56:50

●A2a01:4f8:c2c:da75::12026-03-29 → 2026-03-29 · 2 obs

○ 2018-10-21 20:02:04
● 2026-03-29 03:56:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz	-
ipengineering.cz	ns.forpsi.it, ns.forpsi.cz, ns.forpsi.net	2 records

✅ Authoritative Response

Server:95.110.254.165

NS records: ns.forpsi.it, ns.forpsi.cz, ns.forpsi.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1356ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`168.119.169.145`
AAAA	1	`2a01:4f8:c2c:da75::1`
NS	3	`ns.forpsi.cz, ns.forpsi.it...`
MX	1	`lister.ipengineering.cz (pri: 10)`
TXT	1	`v=spf1 a mx -all`
SOA	1	`ns.forpsi.net admin.forpsi.com`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

ipengineering.cz is the parent of lister.ipengineering.cz.

IP Addresses

ipengineering.cz points to two IPs: 2a01:4f8:c2c:da75::1 and 168.119.169.145.

Other host names, such as polisensky.com and lister.ipengineering.cz, share IP numbers with ipengineering.cz.

Name Servers

ipengineering.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

ipengineering.cz at least partially shares name servers with other domains, including papirovemodely.cz, egyszerubutor.hu, aveflor.sk, softball.cz and cloudfropsi.com.

These name servers are often used together with ns.forpsi.us.

Host names with two IP numbers:

ns.forpsi.cz points to: 2001:15e8:201:1::d1b9 and 81.2.209.185

ns.forpsi.it points to: 2a00:6d41:2:1::5 and 95.110.254.165

ns.forpsi.net points to: 2001:15e8:101:1::c282 and 81.2.194.130

Mail Servers

ipengineering.cz is handled by a single mail server, lister.ipengineering.cz.

lister.ipengineering.cz points to two IPs: 2a01:4f8:c2c:da75::1 and 168.119.169.145.

ipengineering.cz - robtex.com