`activity.cz`

DNSSEC	🔒 Signed (DS record present)
A	2001:41d0:701:1000::cb3^{🇫🇷 OVH2001:41d0::/32 IPv6}
		PTR	`mail2.webrex.eu`
A	54.36.117.242^{🇫🇷 OVH54.36.0.0/16}
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	`irian.argalas.net` ⭐
		A	176.74.143.232^{🇨🇿 NETDATACOMM176.74.128.0/19 NetDataComm, s.r.o.}
			PTR	`irian.argalas.net`
MX	`liza.argalas.net`⁽²⁰⁾
		A	95.129.102.198^{🇨🇿 FASTER-AS95.129.96.0/21 FASTER CZ spol. s r.o.}
			PTR	`liza.argalas.net`
TXT	`v=spf1 mx ip4:176.74.143.232 ip4:95.129.102.198 ip4:176.74.143.234 ip4:217.19...`
SOA	`ns1.regzone.cz`administrator@czechia.cz 2026-03-12 #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=1771291036

Same first word

Similar names

cativity.com

vitacity.com

vitacity.de

ictavity.com

cityvita.com

vitacity.myshopify.com

DNS History

8 records (7 active, 1 former)

●NSns1.regzone.cz2015-05-15 → 2026-03-12 · 2 obs

● 2015-05-15 12:01:02
● 2026-03-12 02:45:26

●NSns1.regzone.de2015-05-15 → 2026-03-12 · 2 obs

● 2015-05-15 12:01:02
● 2026-03-12 02:45:26

●NSns1.regzone.info2015-05-15 → 2026-03-12 · 2 obs

● 2015-05-15 12:01:02
● 2026-03-12 02:45:26

●MXirian.argalas.net2015-05-15 → 2026-03-12 · 2 obs

● 2015-05-15 12:01:02
● 2026-03-12 02:45:26

●MXliza.argalas.net2015-05-15 → 2026-03-12 · 2 obs

● 2015-05-15 12:01:02
● 2026-03-12 02:45:26

●A2001:41d0:701:1000::cb32026-02-24 → 2026-03-12 · 3 obs

○ 2017-06-09 19:03:48
● 2026-02-24 13:16:42
● 2026-03-12 02:45:26

○A212.67.79.1622015-05-15 → 2017-06-09 · 4 obs

● 2015-05-15 12:01:02
● 2017-06-09 19:03:48
○ 2026-02-24 13:16:42
○ 2026-03-12 02:45:26

●A54.36.117.2422026-02-24 → 2026-03-12 · 3 obs

○ 2017-06-09 19:03:48
● 2026-02-24 13:16:42
● 2026-03-12 02:45:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	8 records
activity.cz	ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info	2 records

✅ Authoritative Response

Server: 217.198.113.10

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: 1250ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.36.117.242`
AAAA	1	`2001:41d0:701:1000::cb3`
NS	3	`ns1.regzone.cz, ns1.regzone.de...`
MX	2	`irian.argalas.net (pri: 10), liza.argalas.net (pri: 20)`
TXT	1	`v=spf1 mx ip4:176.74.143.232 ip4:95.129.`
SOA	1	`ns1.regzone.cz administrator.czechia.cz`

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz...)

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

Analysis

IP Addresses

activity.cz points to two IP numbers: 2001:41d0:701:1000::cb3 and 54.36.117.242.

Other host names, for instance s2.webrex.eu, jihlavske-listy.cz, www.aucon.cz, aucon.cz and polymax.cz share IP numbers with activity.cz.

Name Servers

The domain activity.cz is delegated to three name servers: ns1.regzone.cz, ns1.regzone.de and ns1.regzone.info.

activity.cz shares name servers with other domains at least partially, for instance eqcomp.cz, autovip.cz, dovolenasumava.cz, tenaxum.cz and klimacool.cz.