`vystavybata.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:92dc^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3f92^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.146^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.220^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`edward.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`edward.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`edward.ns.cloudflare.com`
		A	108.162.195.210^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
		A	162.159.44.210^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
		A	172.64.35.210^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`edward.ns.cloudflare.com`
NS	`gracie.ns.cloudflare.com`
		A	2606:4700:50::a29f:2690^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gracie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c290^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gracie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2290^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gracie.ns.cloudflare.com`
		A	108.162.194.144^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gracie.ns.cloudflare.com`
		A	162.159.38.144^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gracie.ns.cloudflare.com`
		A	172.64.34.144^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gracie.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.146, 172.67.146.220
		IPv6 hints	2606:4700:3035::ac43:92dc, 2606:4700:3037::6815:3f92
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOA	`edward.ns.cloudflare.com`dns@cloudflare.com serial=2400113886

`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=1776025054

Same first word

vystavybata.cz

DNS History

8 records (6 active, 2 former)

●NSedward.ns.cloudflare.com2026-03-02 → 2026-04-12 · 2 obs

● 2026-03-02 00:01:36
● 2026-04-12 20:47:56

●NSgracie.ns.cloudflare.com2026-03-02 → 2026-04-12 · 2 obs

● 2026-03-02 00:01:36
● 2026-04-12 20:47:56

●A104.21.63.1462026-03-02 → 2026-04-12 · 5 obs

● 2026-03-02 00:01:36
○ 2026-03-14 13:45:46
○ 2026-03-15 07:55:52
● 2026-03-15 12:10:06
● 2026-04-12 20:47:56

○A172.64.80.12026-03-14 → 2026-03-15 · 5 obs

○ 2026-03-02 00:01:36
● 2026-03-14 13:45:46
● 2026-03-15 07:55:52
○ 2026-03-15 12:10:06
○ 2026-04-12 20:47:56

●A172.67.146.2202026-03-02 → 2026-04-12 · 5 obs

● 2026-03-02 00:01:36
○ 2026-03-14 13:45:46
○ 2026-03-15 07:55:52
● 2026-03-15 12:10:06
● 2026-04-12 20:47:56

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 13:45:46
● 2026-03-15 07:55:52
○ 2026-03-15 12:10:06
○ 2026-04-12 20:47:56

●A2606:4700:3035::ac43:92dc2026-03-02 → 2026-04-12 · 5 obs

● 2026-03-02 00:01:36
● 2026-03-14 13:45:46
○ 2026-03-15 07:55:52
● 2026-03-15 12:10:06
● 2026-04-12 20:47:56

●A2606:4700:3037::6815:3f922026-03-02 → 2026-04-12 · 5 obs

● 2026-03-02 00:01:36
● 2026-03-14 13:45:46
○ 2026-03-15 07:55:52
● 2026-03-15 12:10:06
● 2026-04-12 20:47:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
vystavybata.cz	edward.ns.cloudflare.com, gracie.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.144

NS records: edward.ns.cloudflare.com, gracie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vystavybata.cz (unsigned zone)

⏱️ Timing

Total: 940ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.146.220, 104.21.63.146`
AAAA	2	`2606:4700:3037::6815:3f92, 2606:4700:3035::ac43:92dc`
NS	2	`edward.ns.cloudflare.com, gracie.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`edward.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

vystavybata.cz maps to four IP numbers: 2606:4700:3035::ac43:92dc, 2606:4700:3037::6815:3f92, 104.21.63.146 and 172.67.146.220.

Other host names, for instance http3a2f2fwww.kentfallen.com, 101smartmatrix.pics, b0d3a8bd271b.mains.no, pgh.it and qzdmjd.com share IP numbers with vystavybata.cz.

Name Servers

Two name servers edward.ns.cloudflare.com and gracie.ns.cloudflare.com are delegated to vystavybata.cz.

vystavybata.cz uses the same name server setup as kolachigrooves.com and hubguitar.com.

vystavybata.cz at least partially shares name servers with other domains such as seniordiscoverytours.ca, oldproxy.com, dpclpzp.info, xixi(0x706f726e).lol and kukh.cn.

These name servers are commonly used with lilyana.ns.cloudflare.com, liz.ns.cloudflare.com, bill.ns.cloudflare.com and maciej.ns.cloudflare.com.

Host names with six IP numbers: Host name edward.ns.cloudflare.com points to 2606:4700:58::a29f:2cd2, 2803:f800:50::6ca2:c3d2, 2a06:98c1:50::ac40:23d2, 108.162.195.210, 162.159.44.210 and 172.64.35.210; host name gracie.ns.cloudflare.com points to 2606:4700:50::a29f:2690, 2803:f800:50::6ca2:c290, 2a06:98c1:50::ac40:2290, 108.162.194.144, 162.159.38.144 and 172.64.34.144.

vystavybata.cz - robtex.com

vystavybata.cz

cz