intertechplus.cz - dns.ninja

`intertechplus.cz`

DNSSEC	🔒 Signed (DS record present)
A	185.236.161.248^{🇨🇿 metro-hu185.236.160.0/22 MetroHU route}
		PTR	`esprit.spacecom.cz`
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.}
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}
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}
MX	`intertechplus-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`MS=ms41713662`
TXT	`v=spf1 ip4:185.236.160.56 ip4:81.95.99.115 ip4:185.236.160.208/28 ip6:2a0c:73...`
SOA	`ns.forpsi.net`admin@forpsi.com 2026-06-21 #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=1782715638

Subdomains

mail.intertechplus.cz

Same first word

intertechplus.cz

DNS History

11 records (5 active, 6 former)

●NSns.forpsi.cz2015-06-21 → 2026-06-29 · 2 obs

● 2015-06-21 15:48:14
● 2026-06-29 07:15:32

●NSns.forpsi.it2015-06-21 → 2026-06-29 · 2 obs

● 2015-06-21 15:48:14
● 2026-06-29 07:15:32

●NSns.forpsi.net2015-06-21 → 2026-06-29 · 2 obs

● 2015-06-21 15:48:14
● 2026-06-29 07:15:32

○MXexchange.dvoracek.cloud2020-02-29 → 2020-02-29 · 4 obs

○ 2015-06-21 15:48:14
● 2020-02-29 04:04:58
○ 2026-02-18 02:12:02
○ 2026-06-29 07:15:32

●MXintertechplus-cz.mail.protection.outlook.com2026-02-18 → 2026-06-29 · 3 obs

○ 2020-02-29 04:04:58
● 2026-02-18 02:12:02
● 2026-06-29 07:15:32

○MXmail.dreamcloud.cz2015-06-21 → 2020-02-29 · 4 obs

● 2015-06-21 15:48:14
● 2020-02-29 04:04:58
○ 2026-02-18 02:12:02
○ 2026-06-29 07:15:32

○MXmail.intertechplus.cz2026-02-18 → 2026-06-29 · 2 obs

○ 2026-02-18 02:12:02
○ 2026-06-29 07:15:32

●A185.236.161.2482026-02-18 → 2026-06-29 · 3 obs

○ 2020-02-29 04:04:58
● 2026-02-18 02:12:02
● 2026-06-29 07:15:32

○A46.149.115.1142015-06-21 → 2016-04-25 · 4 obs

● 2015-06-21 15:48:14
● 2016-04-25 16:27:34
○ 2017-01-26 22:18:56
○ 2026-06-29 07:15:32

○A46.149.125.1892020-02-29 → 2020-02-29 · 4 obs

○ 2017-01-26 22:18:56
● 2020-02-29 04:04:58
○ 2026-02-18 02:12:02
○ 2026-06-29 07:15:32

○A81.2.255.1522017-01-26 → 2017-01-26 · 4 obs

○ 2016-04-25 16:27:34
● 2017-01-26 22:18:56
○ 2020-02-29 04:04:58
○ 2026-06-29 07:15:32

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:95.110.254.165

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.236.161.248`
NS	3	`ns.forpsi.cz, ns.forpsi.it...`
MX	1	`intertechplus-cz.mail.protection.outlook`
TXT	2	`MS=ms41713662, v=spf1 ip4:185.236.160.56 ip4:81.95.99.1`
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

intertechplus.cz serves as the parent of mail.intertechplus.cz.

IP Addresses

intertechplus.cz directs to one IP number, which is 185.236.161.248.

fcvb.cz, tollens.cz and esprit.spacecom.cz are examples of other host names that share IP numbers with intertechplus.cz.

Name Servers

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

intertechplus.cz has at least partial name server overlap with other domains, such as popularcomputers.cz, technosvar.com, malenovice.eu and two others.

It is common to find these name servers paired with the name servers ns.forpsi.us.

ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net each resolve to two IP addresses: ns.forpsi.cz resolves to 81.2.209.185 and 2001:15e8:201:1::d1b9; ns.forpsi.it resolves to 95.110.254.165 and 2a00:6d41:2:1::5; ns.forpsi.net resolves to 81.2.194.130 and 2001:15e8:101:1::c282.

Mail Servers

intertechplus.cz routes its mail through a single mail server, intertechplus-cz.mail.protection.outlook.com.

intertechplus-cz.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.73.4, 52.101.73.6 and 52.101.73.8, along with 5 other.