`plotove-systemy.cz`

DNSSEC	🔒 Signed (DS record present)
A	213.109.164.191^{🇨🇿 IGNUM-AS213.109.164.0/22}
		PTR	`tajfun.stable.cz`
NS	`ns1.regzone.cz` ⭐
		A	2a00:19a0:3:71:0:d9c6:710a:1^{🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET}
			PTR	`ns1.regzone.cz`
		A	217.198.113.10^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
			PTR	`ns1.regzone.cz`
NS	`ns1.regzone.de`
		A	2600:3c02::f03c:91ff:fedb:a6e7^{🇺🇸 AKAMAI-LINODE-AP2600:3c02::/32 Akamai Technologies}
			PTR	`ns1.regzone.de`
		A	23.92.29.43^{🇺🇸 AKAMAI-LINODE-AP23.92.28.0/22 Akamai Technologies}
			PTR	`ns1.regzone.de`
NS	`ns1.regzone.info`
		A	2001:1528:147::10^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
			PTR	`ns1.regzone.info`
		A	81.0.233.10^{🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT}
			PTR	`ns1.regzone.info`
MX	`plotovesystemy-cz01i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms87131038`
TXT	`v=spf1 include:spf.protection.outlook.com include:smtpx.stable.cz ~all`
SOA	`ns1.regzone.cz`administrator@czechia.cz 2026-04-19 #4

`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=1777232835

WOT: UNKNOWN (61/100)

Same first word

plotove-systemy.cz

DNS History

10 records (5 active, 5 former)

○NSns.miton.cz2015-07-19 → 2017-04-06 · 4 obs

● 2015-07-19 12:28:56
● 2017-04-06 18:31:36
○ 2026-04-16 23:59:12
○ 2026-04-26 20:14:56

○NSns.mitoncz.com2015-07-19 → 2017-04-06 · 4 obs

● 2015-07-19 12:28:56
● 2017-04-06 18:31:36
○ 2026-04-16 23:59:12
○ 2026-04-26 20:14:56

●NSns1.regzone.cz2026-04-16 → 2026-04-26 · 3 obs

○ 2017-04-06 18:31:36
● 2026-04-16 23:59:12
● 2026-04-26 20:14:56

●NSns1.regzone.de2026-04-16 → 2026-04-26 · 3 obs

○ 2017-04-06 18:31:36
● 2026-04-16 23:59:12
● 2026-04-26 20:14:56

●NSns1.regzone.info2026-04-16 → 2026-04-26 · 3 obs

○ 2017-04-06 18:31:36
● 2026-04-16 23:59:12
● 2026-04-26 20:14:56

○MXmail-gw-171.vergilio.eu2015-07-19 → 2017-04-06 · 4 obs

● 2015-07-19 12:28:56
● 2017-04-06 18:31:36
○ 2026-04-16 23:59:12
○ 2026-04-26 20:14:56

○MXmx.mitoncz.com2015-07-19 → 2017-04-06 · 4 obs

● 2015-07-19 12:28:56
● 2017-04-06 18:31:36
○ 2026-04-16 23:59:12
○ 2026-04-26 20:14:56

●MXplotovesystemy-cz01i.mail.protection.outlook.com2026-04-16 → 2026-04-26 · 3 obs

○ 2017-04-06 18:31:36
● 2026-04-16 23:59:12
● 2026-04-26 20:14:56

●A213.109.164.1912026-04-16 → 2026-04-26 · 3 obs

○ 2017-04-06 18:31:36
● 2026-04-16 23:59:12
● 2026-04-26 20:14:56

○A88.86.120.1912015-07-19 → 2017-04-06 · 4 obs

● 2015-07-19 12:28:56
● 2017-04-06 18:31:36
○ 2026-04-16 23:59:12
○ 2026-04-26 20:14:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
plotove-systemy.cz	ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info	2 records

✅ Authoritative Response

Server:23.92.29.43

NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.109.164.191`
NS	3	`ns1.regzone.cz, ns1.regzone.de...`
MX	1	`plotovesystemy-cz01i.mail.protection.out`
TXT	2	`MS=ms87131038, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.regzone.cz administrator.czechia.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)

Analysis

IP Addresses

plotove-systemy.cz resolves to one IP number: 213.109.164.191.

other host names including i-stan.cz, ajeto-cz.cz, istan.cz, gptours.hu and nvf.cz share IP numbers with plotove-systemy.cz.

Name Servers

plotove-systemy.cz is delegated to three name servers ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

plotove-systemy.cz at least partially shares name servers with other domains, for instance zoner-cloud.cz, ebabeta.eu, publimetro.com.mx, apok.cz and netxcoin.com.

Host names with two IP numbers:

ns1.regzone.cz points to: 2a00:19a0:3:71:0:d9c6:710a:1 and 217.198.113.10.

ns1.regzone.de points to: 2600:3c02::f03c:91ff:fedb:a6e7 and 23.92.29.43.

ns1.regzone.info points to: 2001:1528:147::10 and 81.0.233.10.

Mail Servers

plotove-systemy.cz is handled by a single mail server, plotovesystemy-cz01i.mail.protection.outlook.com.

Host plotovesystemy-cz01i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::3, 52.101.68.18, 52.101.68.32, 52.101.73.8 and 52.101.73.30.

plotove-systemy.cz - robtex.com