`vltjackpot.cz`

DNSSEC	🔒 Signed (DS record present)
A	46.227.168.222^{🇨🇿 MERIT-AS46.227.168.0/21 MERIT-GROUP-AS39904 MERIT-CZ-PA-CUST}
		PTR	`www.vltjackpot.cz`
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`mx.web4u.cz` ⭐
		A	2001:1568::7012^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`mx.web4u.cz`
		A	81.91.87.12^{🇨🇿 WEB4U81.91.80.0/21}
			PTR	`mx.web4u.cz`
SOA	`ns.web4u.cz`admin@web4u.cz 2010-04-15 #1

`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=1778541434

Subdomains

mail.vltjackpot.cz

www.vltjackpot.cz

Same first word

vltjackpot.cz

DNS History

6 records (4 active, 2 former)

●NSns.web4u.cz2015-07-16 → 2026-05-11 · 2 obs

● 2015-07-16 23:10:16
● 2026-05-11 23:33:12

●NSns2.web4u.cz2015-07-16 → 2026-05-11 · 2 obs

● 2015-07-16 23:10:16
● 2026-05-11 23:33:12

○MXmail.vltjackpot.cz2015-07-16 → 2017-12-02 · 4 obs

● 2015-07-16 23:10:16
● 2017-12-02 01:34:56
○ 2026-03-04 07:20:36
○ 2026-05-11 23:33:12

●MXmx.web4u.cz2026-03-04 → 2026-05-11 · 3 obs

○ 2017-12-02 01:34:56
● 2026-03-04 07:20:36
● 2026-05-11 23:33:12

●A46.227.168.2222026-03-04 → 2026-05-11 · 3 obs

○ 2017-12-02 01:34:56
● 2026-03-04 07:20:36
● 2026-05-11 23:33:12

○A62.209.236.792015-07-16 → 2017-12-02 · 4 obs

● 2015-07-16 23:10:16
● 2017-12-02 01:34:56
○ 2026-03-04 07:20:36
○ 2026-05-11 23:33:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
vltjackpot.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1111ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.227.168.222`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`mx.web4u.cz (pri: 10)`
SOA	1	`ns.web4u.cz admin.web4u.cz`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns2.web4u.cz, ns.web4u.cz...)

Analysis

Hierarchy

vltjackpot.cz is the parent of mail.vltjackpot.cz and www.vltjackpot.cz.

IP Addresses

vltjackpot.cz points to an IP address: 46.227.168.222.

Other host names, for instance www.vltjackpot.cz, share IP numbers with vltjackpot.cz.

Name Servers

Two name servers ns2.web4u.cz and ns.web4u.cz handle the delegation for vltjackpot.cz.

vltjackpot.cz shares the same name server setup as other domains, for instance babouci.cz, agromag.cz, atelis.eu, sdaz.cz and emtczech.cz.

Host names with two IP numbers:

ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.

ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

vltjackpot.cz is handled by a single mail server, mx.web4u.cz.

vltjackpot.cz uses the same mail server setup as other domains, for instance astra-security.net, vlscj.cz, hustazmrzlina.eu, jsemzpardubic.cz and kulturne.cz.

vltjackpot.cz shares some mail servers with other domains, for example upgates.sk, ingcorporation.cz and pujcovna-lodi.cz.

mx.web4u.cz resolves to two IPs: 2001:1568::7012 and 81.91.87.12.

vltjackpot.cz - robtex.com

vltjackpot.cz

cz