`opsecurity.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2b88:1:4::eb^{🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s.}
		PTR	`hc1-wd373.wedos.net`
A	46.28.106.189^{🇨🇿 WEDOS46.28.104.0/21 Internet, a.s.}
NS	`ns.wedos.com` ⭐
		A	2a0e:acc0:1::cafe:cafe:cafe^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
		A	45.138.106.0^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
NS	`ns.wedos.cz`
		A	2a0e:acc0:1::caff:caff:cafb^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	2a0e:acc0:2::c:1:c1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	45.138.106.1^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	185.8.238.1^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
NS	`ns.wedos.eu`
		A	2a0e:acc0:2::b:1:b1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
		A	185.8.238.0^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
NS	`ns.wedos.net`
		A	2600:9000:a419:5a54:19f7:a614:36fd:2825^{🇺🇸 Amazon2600:9000:a400::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	2600:9000:a705:25bb:c632:5e5a:dd9c:1e46^{🇺🇸 Amazon2600:9000:a700::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	75.2.92.86^{🇺🇸 Amazon75.2.80.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
		A	99.83.142.9^{🇺🇸 Amazon99.83.128.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
MX	`opsecurity-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`v=spf1 a ip4:89.24.117.88/29 ip4:62.168.16.158/32 ip4:194.213.214.60/31 inclu...`
TXT	`MS=ms58609596`
SOA	`ns.wedos.com`wedos@wedos.com 2026-04-09 #2

`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=1776102457

WOT: SAFE (61/100)

Same first word

opsecurity.cz

opsecurity.com.br

Similar names

posecurity.com

DNS History

19 records (7 active, 12 former)

●NSns.wedos.com2026-04-13 → 2026-04-13 · 2 obs

○ 2020-02-14 01:43:42
● 2026-04-13 18:22:00

●NSns.wedos.cz2026-04-13 → 2026-04-13 · 2 obs

○ 2020-02-14 01:43:42
● 2026-04-13 18:22:00

●NSns.wedos.eu2026-04-13 → 2026-04-13 · 2 obs

○ 2020-02-14 01:43:42
● 2026-04-13 18:22:00

●NSns.wedos.net2026-04-13 → 2026-04-13 · 2 obs

○ 2020-02-14 01:43:42
● 2026-04-13 18:22:00

○NSns1.weps.cz2015-06-30 → 2020-02-14 · 3 obs

● 2015-06-30 21:23:06
● 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

○NSns2.wcli.eu2020-02-14 → 2020-02-14 · 3 obs

○ 2017-01-21 10:41:30
● 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

○NSns2.weps.cz2015-06-30 → 2017-01-21 · 4 obs

● 2015-06-30 21:23:06
● 2017-01-21 10:41:30
○ 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

○NSns3.dataweps.com2020-02-14 → 2020-02-14 · 3 obs

○ 2017-01-21 10:41:30
● 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

○NSns3.wcli.cz2015-06-30 → 2015-11-03 · 4 obs

● 2015-06-30 21:23:06
● 2015-11-03 01:42:08
○ 2016-02-05 20:23:20
○ 2026-04-13 18:22:00

○NSns3.wcli.eu2016-02-05 → 2017-01-21 · 5 obs

○ 2015-11-03 01:42:08
● 2016-02-05 20:23:20
● 2017-01-21 10:41:30
○ 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

○MXmail1.weps.cz2015-06-30 → 2017-01-21 · 4 obs

● 2015-06-30 21:23:06
● 2017-01-21 10:41:30
○ 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

○MXmail2.weps.cz2015-06-30 → 2017-01-21 · 4 obs

● 2015-06-30 21:23:06
● 2017-01-21 10:41:30
○ 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

●MXopsecurity-cz.mail.protection.outlook.com2020-02-14 → 2026-04-13 · 3 obs

○ 2017-01-21 10:41:30
● 2020-02-14 01:43:42
● 2026-04-13 18:22:00

○A178.77.214.1352015-06-30 → 2015-11-03 · 4 obs

● 2015-06-30 21:23:06
● 2015-11-03 01:42:08
○ 2016-02-05 20:23:20
○ 2026-04-13 18:22:00

○A178.77.214.2082016-02-05 → 2016-05-02 · 5 obs

○ 2015-11-03 01:42:08
● 2016-02-05 20:23:20
● 2016-05-02 03:23:16
○ 2017-01-21 10:41:30
○ 2026-04-13 18:22:00

○A217.11.249.1382017-01-21 → 2017-01-21 · 4 obs

○ 2016-05-02 03:23:16
● 2017-01-21 10:41:30
○ 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

●A2a02:2b88:1:4::eb2026-04-13 → 2026-04-13 · 2 obs

○ 2020-02-14 01:43:42
● 2026-04-13 18:22:00

●A46.28.106.1892026-04-13 → 2026-04-13 · 2 obs

○ 2020-02-14 01:43:42
● 2026-04-13 18:22:00

○A91.239.201.142020-02-14 → 2020-02-14 · 3 obs

○ 2017-01-21 10:41:30
● 2020-02-14 01:43:42
○ 2026-04-13 18:22:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
opsecurity.cz	ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net	4 records

✅ Authoritative Response

Server:75.2.92.86

NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1282ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.28.106.189`
AAAA	1	`2a02:2b88:1:4::eb`
NS	4	`ns.wedos.eu, ns.wedos.com...`
MX	1	`opsecurity-cz.mail.protection.outlook.co`
TXT	2	`v=spf1 a ip4:89.24.117.88/29 ip4:62.168., MS=ms58609596`
SOA	1	`ns.wedos.com wedos.wedos.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

IP Addresses

opsecurity.cz points to two IP numbers: 2a02:2b88:1:4::eb and 46.28.106.189.

Other host names, for instance mx.jitkamoody.com, europloty.cz, krmelec-kolin.cz, siriusinvestments.cz and studio8.cz share IP numbers with opsecurity.cz.

Name Servers

opsecurity.cz is delegated to four name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

opsecurity.cz at least partially shares name servers with other domains, for instance startrip.cz, swrd.eu, snadnestranky.cz, pathfinder.cz and mtask.eu.