`hd-webdesign.cz`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3031::ac43:83a4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:42a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.42^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.164^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`serenity.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:266c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serenity.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serenity.ns.cloudflare.com`
		A	108.162.194.108^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	162.159.38.108^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	172.64.34.108^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
NS	`shane.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c339^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2339^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shane.ns.cloudflare.com`
		A	108.162.195.57^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	162.159.44.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	172.64.35.57^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁸⁸⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`1\|www.hd-webdesign.cz`
TXT	`v=spf1 include:_spf.mx.cloudflare.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.42, 172.67.131.164
		IPv6 hints	2606:4700:3031::ac43:83a4, 2606:4700:3033::6815:42a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com
SOA	`serenity.ns.cloudflare.com`dns@cloudflare.com serial=2400896806

`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=1776077253

Same first word

hd-webdesign.cz

DNS History

31 records (9 active, 22 former)

○NSalfa.ns.active24.cz2015-07-01 → 2017-02-17 · 4 obs

● 2015-07-01 16:37:40
● 2017-02-17 06:08:46
○ 2020-02-09 15:03:08
○ 2026-04-13 11:09:42

○NSbeta.ns.active24.cz2015-07-01 → 2017-02-17 · 4 obs

● 2015-07-01 16:37:40
● 2017-02-17 06:08:46
○ 2020-02-09 15:03:08
○ 2026-04-13 11:09:42

○NSgama.ns.active24.sk2015-07-01 → 2017-02-17 · 4 obs

● 2015-07-01 16:37:40
● 2017-02-17 06:08:46
○ 2020-02-09 15:03:08
○ 2026-04-13 11:09:42

●NSserenity.ns.cloudflare.com2020-02-09 → 2026-04-13 · 3 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
● 2026-04-13 11:09:42

●NSshane.ns.cloudflare.com2020-02-09 → 2026-04-13 · 3 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
● 2026-04-13 11:09:42

○MXalt1.aspmx.l.google.com2015-07-01 → 2020-02-09 · 4 obs

● 2015-07-01 16:37:40
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

○MXalt2.aspmx.l.google.com2020-02-09 → 2020-02-09 · 4 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

○MXalt3.aspmx.l.google.com2020-02-09 → 2020-02-09 · 4 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

○MXalt4.aspmx.l.google.com2020-02-09 → 2020-02-09 · 4 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

○MXaspmx.l.google.com2015-07-01 → 2020-02-09 · 4 obs

● 2015-07-01 16:37:40
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

○MXaspmx2.googlemail.com2015-07-01 → 2017-02-17 · 4 obs

● 2015-07-01 16:37:40
● 2017-02-17 06:08:46
○ 2020-02-09 15:03:08
○ 2026-04-13 11:09:42

○MXaspmx3.googlemail.com2015-07-01 → 2017-02-17 · 4 obs

● 2015-07-01 16:37:40
● 2017-02-17 06:08:46
○ 2020-02-09 15:03:08
○ 2026-04-13 11:09:42

●MXroute1.mx.cloudflare.net2026-02-23 → 2026-04-13 · 3 obs

○ 2020-02-09 15:03:08
● 2026-02-23 01:02:04
● 2026-04-13 11:09:42

●MXroute2.mx.cloudflare.net2026-02-23 → 2026-04-13 · 3 obs

○ 2020-02-09 15:03:08
● 2026-02-23 01:02:04
● 2026-04-13 11:09:42

●MXroute3.mx.cloudflare.net2026-02-23 → 2026-04-13 · 3 obs

○ 2020-02-09 15:03:08
● 2026-02-23 01:02:04
● 2026-04-13 11:09:42

●A104.21.4.422026-02-26 → 2026-04-13 · 3 obs

○ 2026-02-23 01:02:04
● 2026-02-26 02:35:34
● 2026-04-13 11:09:42

○A104.28.26.582020-02-09 → 2020-02-09 · 4 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

○A104.28.27.582020-02-09 → 2020-02-09 · 4 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

●A172.67.131.1642026-02-26 → 2026-04-13 · 3 obs

○ 2026-02-23 01:02:04
● 2026-02-26 02:35:34
● 2026-04-13 11:09:42

○A188.114.96.02026-02-23 → 2026-02-23 · 4 obs

○ 2020-02-09 15:03:08
● 2026-02-23 01:02:04
○ 2026-02-26 02:35:34
○ 2026-04-13 11:09:42

○A188.114.97.02026-02-23 → 2026-02-23 · 4 obs

○ 2020-02-09 15:03:08
● 2026-02-23 01:02:04
○ 2026-02-26 02:35:34
○ 2026-04-13 11:09:42

○A2001:41d0:52:300::da62015-07-01 → 2016-01-26 · 4 obs

● 2015-07-01 16:37:40
● 2016-01-26 09:47:22
○ 2016-06-27 00:55:32
○ 2026-04-13 11:09:42

○A2001:41d0:52:cff::14772016-06-27 → 2017-02-17 · 5 obs

○ 2016-01-26 09:47:22
● 2016-06-27 00:55:32
● 2017-02-17 06:08:46
○ 2020-02-09 15:03:08
○ 2026-04-13 11:09:42

○A2606:4700:3030::681c:1a3a2020-02-09 → 2020-02-09 · 4 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

●A2606:4700:3031::ac43:83a42026-02-26 → 2026-04-13 · 3 obs

○ 2026-02-23 01:02:04
● 2026-02-26 02:35:34
● 2026-04-13 11:09:42

○A2606:4700:3032::681c:1b3a2020-02-09 → 2020-02-09 · 4 obs

○ 2017-02-17 06:08:46
● 2020-02-09 15:03:08
○ 2026-02-23 01:02:04
○ 2026-04-13 11:09:42

●A2606:4700:3033::6815:42a2026-02-26 → 2026-04-13 · 3 obs

○ 2026-02-23 01:02:04
● 2026-02-26 02:35:34
● 2026-04-13 11:09:42

○A2a06:98c1:3120::2026-02-23 → 2026-02-23 · 4 obs

○ 2020-02-09 15:03:08
● 2026-02-23 01:02:04
○ 2026-02-26 02:35:34
○ 2026-04-13 11:09:42

○A2a06:98c1:3121::2026-02-23 → 2026-02-23 · 4 obs

○ 2020-02-09 15:03:08
● 2026-02-23 01:02:04
○ 2026-02-26 02:35:34
○ 2026-04-13 11:09:42

○A92.222.161.1012015-07-01 → 2016-01-26 · 4 obs

● 2015-07-01 16:37:40
● 2016-01-26 09:47:22
○ 2016-06-27 00:55:32
○ 2026-04-13 11:09:42

○A92.222.33.1062016-06-27 → 2017-02-17 · 5 obs

○ 2016-01-26 09:47:22
● 2016-06-27 00:55:32
● 2017-02-17 06:08:46
○ 2020-02-09 15:03:08
○ 2026-04-13 11:09:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz	-
hd-webdesign.cz	shane.ns.cloudflare.com, serenity.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.57

NS records: shane.ns.cloudflare.com, serenity.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 597ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.164, 104.21.4.42`
AAAA	2	`2606:4700:3033::6815:42a, 2606:4700:3031::ac43:83a4`
NS	2	`serenity.ns.cloudflare.com, shane.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 16), route1.mx.cloudflare.net (pri: 88)...`
TXT	2	`1\|www.hd-webdesign.cz, v=spf1 include:_spf.mx.cloudflare.net -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`serenity.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

hd-webdesign.cz resolves to four IPs: 2606:4700:3031::ac43:83a4, 2606:4700:3033::6815:42a, 104.21.4.42 and 172.67.131.164.

Other host names, for instance www.feltmaking.com, apimoveisrs.com.br, ammazonka.ru, www.reserveatlakekeowee.com and img79.kr share IP numbers with hd-webdesign.cz.

Name Servers

hd-webdesign.cz has two name servers: serenity.ns.cloudflare.com and shane.ns.cloudflare.com.

hd-webdesign.cz shares the same name server setup as other domains, for example abelaero.com, palmland.com.br, upshiacwb.org, clubdodesejo.com.br and vidyutsuraksha.org.

hd-webdesign.cz shares some name servers with other domains, for example imaixin.com, antlive012.com, noisettemarketing.com, xkhvesam.xyz and residences-services.fr.

These name servers are often used together with hadlee.ns.cloudflare.com, brad.ns.cloudflare.com and arnold.ns.cloudflare.com.

Host names with six IP numbers: serenity.ns.cloudflare.com points to: 2606:4700:50::a29f:266c, 2803:f800:50::6ca2:c26c, 2a06:98c1:50::ac40:226c, 108.162.194.108, 162.159.38.108 and 172.64.34.108; shane.ns.cloudflare.com points to: 2606:4700:58::a29f:2c39, 2803:f800:50::6ca2:c339, 2a06:98c1:50::ac40:2339, 108.162.195.57, 162.159.44.57 and 172.64.35.57.

Mail Servers

hd-webdesign.cz is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

hd-webdesign.cz shares some mail servers with other domains, at least partially; for instance stdelta.com, paulinogardens.com, easyautomatch.com, wildbeet.com and myhall.co.uk.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

hd-webdesign.cz - robtex.com

hd-webdesign.cz

cz

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`hd-webdesign.cz`

`cz`