`securitycentrum.cz`

DNSSEC	🔒 Signed (DS record present)
A	217.11.230.230^{🇨🇿 CASABLANCA-AS217.11.230.0/24 Casablanca INT}
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	`87513613b0d431d3.mx2.emailprofi.seznam.cz` ⭐
		A	2a02:598:2::1146^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
		A	77.75.77.146^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
MX	`87513613b0d431d3.mx1.emailprofi.seznam.cz`⁽²⁰⁾
		A	2a02:598:2::1056^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
		A	77.75.77.56^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
SOA	`ns.forpsi.net`admin@forpsi.com 2026-07-09 #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=1785635243

Subdomains

www.securitycentrum.cz

Same first word

securitycentrum.sk

securitycentrum.cz

securitycentrum.com

DNS History

18 records (6 active, 12 former)

○NSalfa.ns.active24.cz2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○NSbeta.ns.active24.cz2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○NSgama.ns.active24.sk2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

●NSns.forpsi.cz2026-02-18 → 2026-08-02 · 3 obs

○ 2017-02-16 13:17:26
● 2026-02-18 01:08:34
● 2026-08-02 02:40:56

●NSns.forpsi.it2026-02-18 → 2026-08-02 · 3 obs

○ 2017-02-16 13:17:26
● 2026-02-18 01:08:34
● 2026-08-02 02:40:56

●NSns.forpsi.net2026-02-18 → 2026-08-02 · 3 obs

○ 2017-02-16 13:17:26
● 2026-02-18 01:08:34
● 2026-08-02 02:40:56

●MX87513613b0d431d3.mx1.emailprofi.seznam.cz2026-02-18 → 2026-08-02 · 3 obs

○ 2017-02-16 13:17:26
● 2026-02-18 01:08:34
● 2026-08-02 02:40:56

●MX87513613b0d431d3.mx2.emailprofi.seznam.cz2026-02-18 → 2026-08-02 · 3 obs

○ 2017-02-16 13:17:26
● 2026-02-18 01:08:34
● 2026-08-02 02:40:56

○MXalt1.aspmx.l.google.com2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○MXalt2.aspmx.l.google.com2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○MXaspmx.l.google.com2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○MXaspmx2.googlemail.com2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○MXaspmx3.googlemail.com2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○MXaspmx4.googlemail.com2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

○MXaspmx5.googlemail.com2015-08-03 → 2017-02-16 · 4 obs

● 2015-08-03 22:31:58
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

●A217.11.230.2302026-02-18 → 2026-08-02 · 3 obs

○ 2017-02-16 13:17:26
● 2026-02-18 01:08:34
● 2026-08-02 02:40:56

○A37.157.193.2202015-08-03 → 2016-06-29 · 4 obs

● 2015-08-03 22:31:58
● 2016-06-29 01:30:24
○ 2017-02-16 13:17:26
○ 2026-08-02 02:40:56

○A89.221.209.1382017-02-16 → 2017-02-16 · 4 obs

○ 2016-06-29 01:30:24
● 2017-02-16 13:17:26
○ 2026-02-18 01:08:34
○ 2026-08-02 02:40:56

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:81.2.209.185

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: 1332ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.11.230.230`
NS	3	`ns.forpsi.cz, ns.forpsi.it...`
MX	2	`87513613b0d431d3.mx2.emailprofi.seznam.c, 87513613b0d431d3.mx1.emailprofi.seznam.c`
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

securitycentrum.cz is a parent domain of www.securitycentrum.cz.

IP Addresses

securitycentrum.cz resolves to just one IP address, 217.11.230.230.

Two other host names, along with renovuji.cz, milu.cz and bydesign.cz, also share IP numbers with securitycentrum.cz.

Name Servers

securitycentrum.cz has three name servers — ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

securitycentrum.cz shares at least some of its name servers with other domains, including krmnyhmyz.com, unisec.cz, capaco.cz and two others.

These name servers are frequently seen alongside the name servers ns.forpsi.us.

Each of ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net points to two IP numbers. ns.forpsi.cz points to 81.2.209.185 and 2001:15e8:201:1::d1b9. ns.forpsi.it points to 95.110.254.165 and 2a00:6d41:2:1::5. ns.forpsi.net points to 81.2.194.130 and 2001:15e8:101:1::c282.

Mail Servers

securitycentrum.cz is served by two mail servers, 87513613b0d431d3.mx1.emailprofi.seznam.cz and 87513613b0d431d3.mx2.emailprofi.seznam.cz.

Both 87513613b0d431d3.mx1.emailprofi.seznam.cz and 87513613b0d431d3.mx2.emailprofi.seznam.cz have two IP addresses each. 87513613b0d431d3.mx1.emailprofi.seznam.cz resolves to 77.75.77.56 and 2a02:598:2::1056; 87513613b0d431d3.mx2.emailprofi.seznam.cz resolves to 77.75.77.146 and 2a02:598:2::1146.

securitycentrum.cz - robtex.com