🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`acsystems.cz`

DNSSEC	⚠️ Not signed
A	89.221.213.21^{🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.}
		PTR	`hc1-wd11.wedos.net`
NS	`ali.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ali.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ali.ns.cloudflare.com`
		A	108.162.192.59^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	172.64.32.59^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	173.245.58.59^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
NS	`koa.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`koa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`koa.ns.cloudflare.com`
		A	108.162.195.242^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	162.159.44.242^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	172.64.35.242^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
MX	`acsystems-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`MS=020952118CB7D2E970284D35FD83C44853D382DC`
TXT	`MS=ms86273331`
TXT	`google-site-verification=7yXFhD5MkIldG6EmgiIHKja2_3xWQlQslNe4n9cywKo`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ali.ns.cloudflare.com`dns@cloudflare.com serial=2412407836

`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=1786924039

Same first word

acsystems.org

acsystems.co.nz

acsystems.us

acsystems.eu

acsystems.com.au

acsystems.ru

acsystems.com

acsystems.ie

acsystems.com.mx

acsystems.cz

acsystems.cl

acsystems.it

acsystems.net

acsystems.ca

acsystems.be

acsystems.pt

acsystems.co.za

acsystems.de

Similar names

DNS History

17 records (4 active, 13 former)

●NSali.ns.cloudflare.com2026-06-13 → 2026-08-17 · 3 obs

○ 2020-01-22 19:35:12
● 2026-06-13 02:28:06
● 2026-08-17 00:01:58

●NSkoa.ns.cloudflare.com2026-06-13 → 2026-08-17 · 3 obs

○ 2020-01-22 19:35:12
● 2026-06-13 02:28:06
● 2026-08-17 00:01:58

○NSns.forpsi.cz2015-07-20 → 2017-03-25 · 4 obs

● 2015-07-20 21:16:04
● 2017-03-25 18:29:56
○ 2020-01-22 19:35:12
○ 2026-08-17 00:01:58

○NSns.forpsi.it2015-07-20 → 2017-03-25 · 4 obs

● 2015-07-20 21:16:04
● 2017-03-25 18:29:56
○ 2020-01-22 19:35:12
○ 2026-08-17 00:01:58

○NSns.forpsi.net2015-07-20 → 2017-03-25 · 4 obs

● 2015-07-20 21:16:04
● 2017-03-25 18:29:56
○ 2020-01-22 19:35:12
○ 2026-08-17 00:01:58

○NSns.forpsi.us2015-07-20 → 2017-03-25 · 4 obs

● 2015-07-20 21:16:04
● 2017-03-25 18:29:56
○ 2020-01-22 19:35:12
○ 2026-08-17 00:01:58

○NSns1.savana.cz2020-01-22 → 2020-01-22 · 4 obs

○ 2017-03-25 18:29:56
● 2020-01-22 19:35:12
○ 2026-06-13 02:28:06
○ 2026-08-17 00:01:58

○NSns2.savana.cz2020-01-22 → 2020-01-22 · 4 obs

○ 2017-03-25 18:29:56
● 2020-01-22 19:35:12
○ 2026-06-13 02:28:06
○ 2026-08-17 00:01:58

○NSns3.savana.cz2020-01-22 → 2020-01-22 · 4 obs

○ 2017-03-25 18:29:56
● 2020-01-22 19:35:12
○ 2026-06-13 02:28:06
○ 2026-08-17 00:01:58

○MX4d4bafe6c5b109c5.mx1.emailprofi.seznam.cz2020-01-22 → 2020-01-22 · 4 obs

○ 2017-03-25 18:29:56
● 2020-01-22 19:35:12
○ 2026-06-13 02:28:06
○ 2026-08-17 00:01:58

○MX4d4bafe6c5b109c5.mx2.emailprofi.seznam.cz2020-01-22 → 2020-01-22 · 4 obs

○ 2017-03-25 18:29:56
● 2020-01-22 19:35:12
○ 2026-06-13 02:28:06
○ 2026-08-17 00:01:58

●MXacsystems-cz.mail.protection.outlook.com2026-06-13 → 2026-08-17 · 3 obs

○ 2020-01-22 19:35:12
● 2026-06-13 02:28:06
● 2026-08-17 00:01:58

○MXnetbase.vshosting.cz2015-07-20 → 2017-03-25 · 4 obs

● 2015-07-20 21:16:04
● 2017-03-25 18:29:56
○ 2020-01-22 19:35:12
○ 2026-08-17 00:01:58

○A185.183.8.1312020-01-22 → 2020-01-22 · 4 obs

○ 2017-03-25 18:29:56
● 2020-01-22 19:35:12
○ 2026-06-13 02:28:06
○ 2026-08-17 00:01:58

○A2a00:1ed0:1:1800:7:57:a700:12020-01-22 → 2020-01-22 · 4 obs

○ 2017-03-25 18:29:56
● 2020-01-22 19:35:12
○ 2026-06-13 02:28:06
○ 2026-08-17 00:01:58

○A78.24.14.502015-07-20 → 2017-03-25 · 4 obs

● 2015-07-20 21:16:04
● 2017-03-25 18:29:56
○ 2020-01-22 19:35:12
○ 2026-08-17 00:01:58

●A89.221.213.212026-06-13 → 2026-08-17 · 3 obs

○ 2020-01-22 19:35:12
● 2026-06-13 02:28:06
● 2026-08-17 00:01:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
acsystems.cz	ali.ns.cloudflare.com, koa.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.59

NS records: ali.ns.cloudflare.com, koa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for acsystems.cz (unsigned zone)

⏱️ Timing

Total: 967ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.221.213.21`
NS	2	`ali.ns.cloudflare.com, koa.ns.cloudflare.com`
MX	1	`acsystems-cz.mail.protection.outlook.com`
TXT	4	`MS=020952118CB7D2E970284D35FD83C44853D38, MS=ms86273331...`
SOA	1	`ali.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

acsystems.cz has exactly one IP address — 89.221.213.21.

skvelafirma.com, c-press.cz, album01051.online plus two other host names have IP numbers in common with acsystems.cz.

Name Servers

acsystems.cz is delegated to two name servers: ali.ns.cloudflare.com and koa.ns.cloudflare.com.

The name server configuration of acsystems.cz is shared with other domains, for instance inak918my1.com, globaluavtech.com, blueiq.co.za and two others.

At least some of acsystems.cz's name servers are shared with other domains, for example afropress.com.br, sayitwithdiamond.com, luna-memex.com and two more.

It is common for these name servers to be used in conjunction with the name servers rose.ns.cloudflare.com, zod.ns.cloudflare.com and earl.ns.cloudflare.com.

Hosts with 6 IP addresses each:

ali.ns.cloudflare.com resolves to 108.162.192.59, 172.64.32.59, 173.245.58.59 and 3 other IP addresses.

koa.ns.cloudflare.com resolves to 108.162.195.242, 162.159.44.242, 172.64.35.242 and 3 other IP addresses.

Mail Servers

acsystems.cz uses one mail server — acsystems-cz.mail.protection.outlook.com.

acsystems-cz.mail.protection.outlook.com has 8 IP addresses: 52.101.68.12, 52.101.73.1, 52.101.73.11 plus 5 more.

acsystems.cz - robtex.com

acsystems.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`acsystems.cz`

`cz`