`mattechostrava.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:19a0:3:74:0:d9c6:7450:1^{🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET}
		PTR	`spojenec3.zarea.net`
A	217.198.116.80^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
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	`relay.zoner.com` ⭐
		A	217.198.120.100^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
			PTR	`relay.zoner.com`
MX	`10mx.zoner.com`⁽¹⁰⁾
		A	217.198.120.36^{🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET}
			PTR	`10mx.zoner.com`
MX	`15mx.zoner.com`⁽¹⁵⁾
		A	81.0.233.6^{🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT}
			PTR	`15mx.zoner.com`
SOA	`ns1.regzone.cz`administrator@czechia.cz 2026-04-08 #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=1776136633

Same first word

mattechostrava.cz

DNS History

11 records (8 active, 3 former)

●NSns1.regzone.cz2015-06-24 → 2026-04-14 · 2 obs

● 2015-06-24 22:31:32
● 2026-04-14 03:42:06

●NSns1.regzone.de2015-06-24 → 2026-04-14 · 2 obs

● 2015-06-24 22:31:32
● 2026-04-14 03:42:06

●NSns1.regzone.info2015-06-24 → 2026-04-14 · 2 obs

● 2015-06-24 22:31:32
● 2026-04-14 03:42:06

●MX10mx.zoner.com2015-06-24 → 2026-04-14 · 2 obs

● 2015-06-24 22:31:32
● 2026-04-14 03:42:06

●MX15mx.zoner.com2015-06-24 → 2026-04-14 · 2 obs

● 2015-06-24 22:31:32
● 2026-04-14 03:42:06

●MXrelay.zoner.com2015-06-24 → 2026-04-14 · 2 obs

● 2015-06-24 22:31:32
● 2026-04-14 03:42:06

○A217.198.114.932015-06-24 → 2016-04-25 · 4 obs

● 2015-06-24 22:31:32
● 2016-04-25 06:06:20
○ 2017-01-01 03:07:34
○ 2026-04-14 03:42:06

●A217.198.116.802026-03-04 → 2026-04-14 · 3 obs

○ 2017-12-20 19:11:40
● 2026-03-04 12:23:26
● 2026-04-14 03:42:06

○A217.198.116.822017-01-01 → 2017-12-20 · 5 obs

○ 2016-04-25 06:06:20
● 2017-01-01 03:07:34
● 2017-12-20 19:11:40
○ 2026-03-04 12:23:26
○ 2026-04-14 03:42:06

○A2a00:19a0:3:72:0:d9c6:725d:12015-06-24 → 2016-04-25 · 4 obs

● 2015-06-24 22:31:32
● 2016-04-25 06:06:20
○ 2017-01-01 03:07:34
○ 2026-04-14 03:42:06

●A2a00:19a0:3:74:0:d9c6:7450:12026-03-04 → 2026-04-14 · 3 obs

○ 2017-12-20 19:11:40
● 2026-03-04 12:23:26
● 2026-04-14 03:42:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
mattechostrava.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: 1486ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.198.116.80`
AAAA	1	`2a00:19a0:3:74:0:d9c6:7450:1`
NS	3	`ns1.regzone.cz, ns1.regzone.de...`
MX	3	`relay.zoner.com (pri: 1), 10mx.zoner.com (pri: 10)...`
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

mattechostrava.cz points to two IP numbers: 2a00:19a0:3:74:0:d9c6:7450:1 and 217.198.116.80.

Other host names such as bohemiaadvertising.cz, mattechcz.eu, lacorse.cz, sanitrans.cz and bohemiaadvertising.eu share IP numbers with mattechostrava.cz.

Name Servers

mattechostrava.cz is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

At least part of the name servers for mattechostrava.cz are shared with other domains, for instance a-sps.com, palis.cz, bunzlcs.com, startshop.eu and stida.cz.