`ucitelnice.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:eaf^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:faf^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:45f5^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.14.175^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.15.175^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.69.245^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dion.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dion.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dion.ns.cloudflare.com`
		A	108.162.193.156^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	172.64.33.156^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	173.245.59.156^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
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`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`facebook-domain-verification=l9ypfdu8q4stbci4j7nm2bs1zo8cax`
TXT	`google-site-verification=5iK2-WR3XUxZvYxrmP6GqI_agiZzAsaDQTR1JysHwh4`
TXT	`google-site-verification=Iz35XuOViVy76vDARuWguqWNt_yVnFThHsLHLzV_0E0`
TXT	`spf2.0/pra a mx include:_sid.websupport.sk ?all`
TXT	`v=spf1 include:_spf.mailersend.net include:_spf.mlsend.com a mx include:_spf....`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.14.175, 104.26.15.175, 172.67.69.245
		IPv6 hints	2606:4700:20::681a:eaf, 2606:4700:20::681a:faf, 2606:4700:20::ac43:45f5
SOA	`dion.ns.cloudflare.com`dns@cloudflare.com serial=2402286287

`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=1777675636

📈 Tranco rank: #507,027

Subdomains

www.ucitelnice.cz

Same first word

ucitelnice.cz

DNS History

19 records (13 active, 6 former)

●NSdion.ns.cloudflare.com2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

○NSns1.websupport.sk2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 11:47:54
○ 2026-02-27 06:18:28
○ 2026-05-01 23:22:28

○NSns2.websupport.sk2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 11:47:54
○ 2026-02-27 06:18:28
○ 2026-05-01 23:22:28

○NSns3.websupport.sk2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 11:47:54
○ 2026-02-27 06:18:28
○ 2026-05-01 23:22:28

●NSserenity.ns.cloudflare.com2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●MXalt1.aspmx.l.google.com2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●MXalt2.aspmx.l.google.com2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●MXalt3.aspmx.l.google.com2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●MXalt4.aspmx.l.google.com2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●MXaspmx.l.google.com2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

○MXmailin1.ucitelnice.cz2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 11:47:54
○ 2026-02-27 06:18:28
○ 2026-05-01 23:22:28

○MXmailin2.ucitelnice.cz2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 11:47:54
○ 2026-02-27 06:18:28
○ 2026-05-01 23:22:28

●A104.26.14.1752026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●A104.26.15.1752026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●A172.67.69.2452026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●A2606:4700:20::681a:eaf2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●A2606:4700:20::681a:faf2026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

●A2606:4700:20::ac43:45f52026-02-27 → 2026-05-01 · 3 obs

○ 2018-05-06 11:47:54
● 2026-02-27 06:18:28
● 2026-05-01 23:22:28

○A37.9.175.252018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 11:47:54
○ 2026-02-27 06:18:28
○ 2026-05-01 23:22:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
ucitelnice.cz	dion.ns.cloudflare.com, serenity.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.156

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ucitelnice.cz (unsigned zone)

⏱️ Timing

Total: 1231ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.14.175, 172.67.69.245...`
AAAA	3	`2606:4700:20::ac43:45f5, 2606:4700:20::681a:eaf...`
NS	2	`dion.ns.cloudflare.com, serenity.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	5	`facebook-domain-verification=l9ypfdu8q4s, google-site-verification=5iK2-WR3XUxZvYx...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`dion.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

The parent of www.ucitelnice.cz is ucitelnice.cz.

IP Addresses

ucitelnice.cz resolves to six IP numbers: 2606:4700:20::681a:eaf, 2606:4700:20::681a:faf, 2606:4700:20::ac43:45f5, 104.26.14.175, 104.26.15.175 and 172.67.69.245.

Other host names, for instance www.raimasaldatura.com, pppnim.01net.com, swapps.com, cubicallbooth.com and www.barcelona.com share IP numbers with ucitelnice.cz.

Name Servers

Two name servers dion.ns.cloudflare.com and serenity.ns.cloudflare.com handle delegation for ucitelnice.cz.

ucitelnice.cz uses the same name server setup as other domains, for example unonet.hu, langvago.com, coin2.us, netkorzo.com and unitedforextraders.com.

ucitelnice.cz partially shares name servers with other domains; examples include jenoga.xyz, abstractsymbol.com, nsvsma.cam, joesfeed.com and auntiebeth.com.