olcsystems.com - dns.ninja

`olcsystems.com`

DNSSEC	⚠️ Not signed
A	2001:1528:240::1f^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
		PTR	`neuron.blueboard.cz`
A	217.11.249.141^{🇨🇿 CASABLANCA-AS217.11.248.0/23 Casablanca INT}
NS	`shinzon.blueboard.cz` ⭐
		A	2a00:1ed0:45::b^{🇨🇿 VSHOSTING2a00:1ed0::/32}
			PTR	`shinzon.blueboard.cz`
		A	178.251.187.7^{🇨🇿 VSHOSTING178.251.184.0/21}
			PTR	`shinzon.blueboard.cz`
NS	`ns2.blueboard.cz`
		A	2a01:4f8:13b:8d4::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		A	195.201.57.122^{🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC}
			PTR	`ns2.blueboard.cz`
MX	`olcsystems-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
MX	`jaguar.blueboard.cz`⁽¹⁰⁾
		A	2a00:1ed0:45::c^{🇨🇿 VSHOSTING2a00:1ed0::/32}
			PTR	`jaguar.blueboard.cz`
		A	178.251.187.8^{🇨🇿 VSHOSTING178.251.184.0/21}
			PTR	`jaguar.blueboard.cz`
TXT	`MS=ms32522518`
TXT	`v=spf1 a mx ip4:46.13.15.174 ip4:46.227.168.181 ip4:195.113.148.166 include:s...`
SOA	`shinzon.blueboard.cz`hostmaster@blueboard.cz 2015-04-25 #86

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785397047

Same first word

olcsystems.com

Similar names

colsystems.com

locsystems.net

oclsystems.com

locsystems.eu

solmsystec.com

locsystems.com

DNS History

9 records (6 active, 3 former)

●NSns2.blueboard.cz2015-08-02 → 2026-07-30 · 2 obs

● 2015-08-02 01:14:20
● 2026-07-30 07:53:42

●NSshinzon.blueboard.cz2015-08-02 → 2026-07-30 · 2 obs

● 2015-08-02 01:14:20
● 2026-07-30 07:53:42

●MXjaguar.blueboard.cz2015-08-02 → 2026-07-30 · 2 obs

● 2015-08-02 01:14:20
● 2026-07-30 07:53:42

○MXns2.blueboard.cz2015-08-02 → 2017-04-20 · 4 obs

● 2015-08-02 01:14:20
● 2017-04-20 02:10:42
○ 2026-06-20 23:34:46
○ 2026-07-30 07:53:42

●MXolcsystems-com.mail.protection.outlook.com2026-06-20 → 2026-07-30 · 3 obs

○ 2017-04-20 02:10:42
● 2026-06-20 23:34:46
● 2026-07-30 07:53:42

○A2001:1528:240::152015-08-02 → 2017-04-20 · 4 obs

● 2015-08-02 01:14:20
● 2017-04-20 02:10:42
○ 2026-06-20 23:34:46
○ 2026-07-30 07:53:42

●A2001:1528:240::1f2026-06-20 → 2026-07-30 · 3 obs

○ 2017-04-20 02:10:42
● 2026-06-20 23:34:46
● 2026-07-30 07:53:42

○A217.11.249.1392015-08-02 → 2017-04-20 · 4 obs

● 2015-08-02 01:14:20
● 2017-04-20 02:10:42
○ 2026-06-20 23:34:46
○ 2026-07-30 07:53:42

●A217.11.249.1412026-06-20 → 2026-07-30 · 3 obs

○ 2017-04-20 02:10:42
● 2026-06-20 23:34:46
● 2026-07-30 07:53:42

🔍 DNS Trace

Analysis

IP Addresses

olcsystems.com has two IP addresses: 217.11.249.141 and 2001:1528:240::1f

Additional host names — eleman.cz, mozart.tomask.info, casasantamaria.net and two others — share IP numbers with olcsystems.com.

Name Servers

olcsystems.com is served by two delegated name servers, ns2.blueboard.cz and shinzon.blueboard.cz.

olcsystems.com shares its name server setup with other domains, including listecek.com, sekacky.net, nejkola.eu and two others.

There is at least partial name server overlap between olcsystems.com and other domains — ariane.cz, moderni-zena.cz, griptv.cz and two more among them.

These name servers frequently co-occur with the name servers jaguar.blueboard.cz and ns2.miniserver.cz.

Each of the two host names carries two IP addresses: ns2.blueboard.cz points to 195.201.57.122 and 2a01:4f8:13b:8d4::2, and shinzon.blueboard.cz points to 178.251.187.7 and 2a00:1ed0:45::b.

Mail Servers

olcsystems.com has two mail servers: jaguar.blueboard.cz and olcsystems-com.mail.protection.outlook.com.

olcsystems.com shares mail servers — at least in part — with other domains, including extra-penize.cz, vecernizpravy.cz, retrofilm.org and two others.

Host names with 8 IP numbers:

olcsystems-com.mail.protection.outlook.com carries IP addresses 52.101.68.3, 52.101.68.15 and 52.101.73.22, with 5 other addresses beyond those.

Host names with two IP numbers:

jaguar.blueboard.cz maps to two IP addresses — 178.251.187.8 and 2a00:1ed0:45::c.