`cezesco.com`

DNSSEC	⚠️ Not signed
A	89.111.78.57^{🇨🇿 TPS-AS89.111.64.0/18 Telco Pro Services a.s.}
NS	`ns10.cez.cz` ⭐
		A	2a01:a040:2004:8100::1^{🇨🇿 TPS-AS2a01:a040::/32 Telco Pro Services a.s.}
			PTR	`ns10.cez.cz`
		A	89.111.73.200^{🇨🇿 TPS-AS89.111.64.0/18 Telco Pro Services a.s.}
			PTR	`ns10.cez.cz`
NS	`ns11.cez.cz` ⚠️ Not in parent delegation
		A	2a01:a040:2004:8100::2^{🇨🇿 TPS-AS2a01:a040::/32 Telco Pro Services a.s.}
		A	89.111.73.205^{🇨🇿 TPS-AS89.111.64.0/18 Telco Pro Services a.s.}
NS	`ns20.cez.cz`
		A	2a01:a040:2004:100::1^{🇨🇿 TPS-AS2a01:a040::/32 Telco Pro Services a.s.}
			PTR	`ns20.cez.cz`
		A	89.111.77.200^{🇨🇿 TPS-AS89.111.64.0/18 Telco Pro Services a.s.}
			PTR	`ns10.cez-apps.cz`
			PTR	`ns20.cez.cz`
NS	`ns21.cez.cz` ⚠️ Not in parent delegation
		A	2a01:a040:2004:100::2^{🇨🇿 TPS-AS2a01:a040::/32 Telco Pro Services a.s.}
		A	89.111.77.205^{🇨🇿 TPS-AS89.111.64.0/18 Telco Pro Services a.s.}
SOA	`ns10.cez.cz`hostmaster@cez.cz 2024-03-13 #4

`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=1774751092

PTR for

140.76.111.89.in-addr.arpa

Same first word

cezesco.com

cezesco.sk

cezesco.de

cezesco.pl

cezesco.eu

cezesco.cz

DNS History

7 records (5 active, 2 former)

●NSns10.cez.cz2016-12-20 → 2026-03-29 · 2 obs

● 2016-12-20 19:02:08
● 2026-03-29 02:31:22

●NSns11.cez.cz2026-03-29 → 2026-03-29 · 2 obs

○ 2016-12-20 19:02:08
● 2026-03-29 02:31:22

●NSns20.cez.cz2016-12-20 → 2026-03-29 · 2 obs

● 2016-12-20 19:02:08
● 2026-03-29 02:31:22

●NSns21.cez.cz2026-03-29 → 2026-03-29 · 2 obs

○ 2016-12-20 19:02:08
● 2026-03-29 02:31:22

○MX.2026-03-11 → 2026-03-29 · 2 obs

○ 2026-03-11 12:57:32
○ 2026-03-29 02:31:22

○A89.111.76.1402016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 19:02:08
○ 2026-03-11 12:57:32
○ 2026-03-29 02:31:22

●A89.111.78.572026-03-11 → 2026-03-29 · 3 obs

○ 2016-12-20 19:02:08
● 2026-03-11 12:57:32
● 2026-03-29 02:31:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cezesco.com	ns10.cez.cz, ns20.cez.cz	-

✅ Authoritative Response

Server:89.111.77.200

NS records: ns10.cez.cz, ns20.cez.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cezesco.com (unsigned zone)

⏱️ Timing

Total: 679ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.111.78.57`
NS	4	`ns21.cez.cz, ns10.cez.cz...`
MX	1	`. (pri: 0)`
SOA	1	`ns10.cez.cz hostmaster.cez.cz`

Analysis

IP Addresses

cezesco.com maps to IP address 89.111.78.57.

Other host names, for instance cez-esco.eu, cez-esco.com, novedukovany.cz, novejaderky.cz and nove-dukovany.cz share IP numbers with cezesco.com.

Name Servers

cezesco.com is delegated to four name servers: ns10.cez.cz, ns11.cez.cz, ns20.cez.cz and ns21.cez.cz.

cezesco.com at least partially shares name servers with other domains such as 72.111.89.in-addr.arpa, cezsnowshow.cz, cezdata.info, cezesco.sk and elektromobilita.cz.

Host names with two IP numbers:

ns10.cez.cz points to 2a01:a040:2004:8100::1 and 89.111.73.200

ns11.cez.cz points to 2a01:a040:2004:8100::2 and 89.111.73.205

ns20.cez.cz points to 2a01:a040:2004:100::1 and 89.111.77.200

ns21.cez.cz points to 2a01:a040:2004:100::2 and 89.111.77.205

cezesco.com - robtex.com

cezesco.com

com