server4u.cz website report

Vysoce výkonný serverhosting

Vyzkoušejte schopnosti vysoce výkonného serverhostingu s Web4U. Vyberte si z řady možností a posuňte svůj web na vyšší úroveň.

Server4u was registered 24 years 5 months ago, is ranked #2,333,227 worldwide (top 72%), has an estimated value of $848. It may earn around $76 per month from advertising.

Czech

Visit website Update data Similar sites

Last updated 3 days ago

Estimated worth

$848

Automated valuation

Global rank

#2,333,227

Improving

Monthly visitors

800

40K page views

Domain age

24 years 5 months

Since May 6, 2002

Hosted in

Czech Republic

WEB4U

Security headers

67/100

Response 0.15 s

Key facts about server4u.cz

Domain: server4u.cz
Website name: Vysoce výkonný serverhosting
Estimated worth: $848
Global rank: #2,333,227 (top 72% of 3.2M ranked sites)
Monthly visitors (est.): 800 · 40K page views
Registered: May 6, 2002 (24 years 5 months ago)
Expires: May 5, 2027
Registrar: REG-WEB4U
Server location: Czech Republic
Network: WEB4U AS39790
Email provider: Self-hosted / other (mx2.mailchannels.net)
Language: Czech
Data updated: October 18, 2026

Estimated traffic & revenue

	Page views	Visitors	Ad revenue
Daily	1,333	27	$3
Monthly	39,999	800	$76
Yearly	479,988	9,600	$912

Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.

Global rank history

Monthly values

Month	Global rank
2026-07	#33,357,947
2026-08	#12,222,594
2026-10	#2,333,227

Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).

How we estimate server4u.cz's value

$848

The estimate is the higher of two independent approaches, both computed automatically from public data.

Traffic value: $848Driven by the global rank #2,333,227 (≈40K page views / month) plus a capped age bonus.
Activity value: $743Domain age plus observable signs of an active, professionally run website.

Activity signals found

Domain age (24 years 5 months)	$392
Active website with metadata	+$150
Security headers (67/100)	+$201

Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.

On-page SEO

Title	Vysoce výkonný serverhosting 28 chars
Meta description	Vyzkoušejte schopnosti vysoce výkonného serverhostingu s Web4U. Vyberte si z řady možností a posuňte svůj web na vyšší úroveň. 126 chars
Meta keywords	None
Language	Czech
Response time	0.15 s Fast

Homepage structure

H1 headings1

H2 headings4

H3 headings6

H4 headings1

Paragraphs8

Links65

Images10

Bold text16

Exactly one H1 heading — good practice.

Technology & infrastructure

CDN / proxy	None detected
Web server	openresty
Platform / language	PHP
DNS provider	Unknown
Email provider	Self-hosted / other (mx2.mailchannels.net)
SPF record	Missing
IPv6 (AAAA)	No
CAA record	No

Services verified in DNS

No third-party verification records found.

Domain name

Extension	.cz — the country-code extension of Czech Republic
Name length	8 characters Medium
Hyphens / digits	No hyphen · contains digits

Security headers

4 passed · 4 to improve · 1 missing
Collected with an older method; a fresh check is running and will appear on your next visit.

HTTPSThe homepage is served over an encrypted HTTPS connection.
Strict-Transport-Security (HSTS)max-age 365 days.
Content-Security-PolicyPresent (1 directives).
Clickjacking protectionCSP frame-ancestors prevents the site from being framed by others.
X-Content-Type-OptionsNot set to nosniff.
Referrer-PolicyNot set (browsers default to strict-origin-when-cross-origin).
Permissions-PolicyNot set: browser features are not explicitly restricted.
Cookie flags1 cookie(s) set; PHPSESSID (no SameSite).
Software version disclosureReveals X-Powered-By: Nette Framework, which helps attackers target known vulnerabilities.

Raw HTTP response headers

HTTP/2 200 
server: openresty
date: Sun, 18 Oct 2026 13:13:56 GMT
content-type: text/html; charset=utf-8
x-powered-by: Nette Framework
x-frame-options: SAMEORIGIN
set-cookie: PHPSESSID=eldc1ig93v5f7vukups66pfi3m; path=/; domain=.web4u.cz; secure; HttpOnly
expires: Thu, 19 Nov 1981 08:52:00 GMT
cache-control: no-store, no-cache, must-revalidate
pragma: no-cache
content-security-policy: frame-ancestors 'self';
strict-transport-security: max-age=31536000

Hosting

IP address	`81.91.86.27`
Location	Czech Republic
Network (ISP)	Web4U s.r.o.
Autonomous system	AS39790 AS of Web4U
Server software	openresty

Nameservers

Host	IP	Country
ns2.web4u.cz (85.207.53.12, 2a02:a40:100:28ff::12)	`ns2.web4u.cz (85.207.53.12, 2a02:a40:100:28ff::12)`	—
ns.web4u.cz (185.14.224.241, 2001:1568:fd::241)	`ns.web4u.cz (185.14.224.241, 2001:1568:fd::241)`	—

Domain registration (WHOIS)

Registrar	REG-WEB4U
Created	May 6, 2002 24 years 5 months ago
Updated	April 17, 2023
Expires	May 5, 2027 in 195 days

Raw WHOIS record

%  (c) 2006-2021 CZ.NIC, z.s.p.o.
% 
% Intended use of supplied data and information
% 
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
% 
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
% 
% See also a search service at http://www.nic.cz/whois/
% 
% 
% Whoisd Server Version: 3.15.0
% Timestamp: Sun Oct 18 15:13:50 2026

domain:       server4u.cz
registrant:   WEB4U
nsset:        WEB4U
keyset:       WEB4U
registrar:    REG-WEB4U
registered:   06.05.2002 04:26:00
changed:      17.04.2023 13:31:42
expire:       05.05.2027

contact:      WEB4U
org:          Web4U s.r.o.
name:         František Princ
address:      Korunní 2569/108
address:      Vinohrady
address:      Praha 10
address:      10100
address:      CZ
registrar:    REG-WEB4U
created:      03.10.2007 14:48:14
changed:      24.04.2023 10:14:55

nsset:        WEB4U
nserver:      ns2.web4u.cz (85.207.53.12, 2a02:a40:100:28ff::12)
nserver:      ns.web4u.cz (185.14.224.241, 2001:1568:fd::241)
tech-c:       WEB4U
registrar:    REG-WEB4U
created:      03.10.2007 14:53:59
changed:      11.12.2024 19:13:20

keyset:       WEB4U
dnskey:       257 3 14 7Zllkn95exAgF2rGMLeDUfHSJHKmZ0U4Cr2I492Gdg/Dn4LX5F0HWrRsM+ssztoWHiMz+mQcfuAfRVPkADkzIDFxKxEQ8krciYIU6ft9iOpv8m5kzzjxd+nTYMxoYil3
tech-c:       WEB4U
registrar:    REG-WEB4U
created:      23.09.2009 14:06:52
changed:      25.06.2025 12:25:01

DNS records

Type	Host	Value	TTL
A	server4u.cz	ip: 81.91.86.27	593
NS	server4u.cz	target: ns2.web4u.cz	600
NS	server4u.cz	target: ns.web4u.cz	600
SOA	server4u.cz	mname: ns.web4u.cz rname: admin.web4u.cz serial: 2026101402 refresh: 14400 retry: 3600 expire: 1209600 minimum-ttl: 14400	600
MX	server4u.cz	pri: 10 target: mx2.mailchannels.net	600
MX	server4u.cz	pri: 10 target: mx1.mailchannels.net	600

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server4u.cz compared with similar websites

Website	Global rank	Est. worth	Registered	Hosted in
server4u.cz	#2,333,227	$848	2002	Czech Republic
web4u.cz	#34,320	$72,573	2000	Czech Republic
estranky.cz	#16,523	$174K	2003	Czech Republic
it4i.cz	#232,390	$7,566	2008	Czech Republic
blcz.cz	#29,282,208	$227	2013	United States

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#2,333,214 wri.org.cn $512
#2,333,215 txxx.casa $512
#2,333,227 server4u.cz $848
#2,333,258 sancristoballibros.com $692
#2,333,263 portalfaurgs.com.br $512
#2,333,269 falmouthartgallery.com $857
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Questions about server4u.cz

When was server4u.cz registered?

Server4u.cz was registered on May 6, 2002, making it 24 years 5 months old.

Who is the domain registrar for server4u.cz?

Server4u.cz is registered through REG-WEB4U.

Where is server4u.cz hosted?

Server4u.cz's server (IP 81.91.86.27) is located in Czech Republic.

How much is server4u.cz worth?

We estimate server4u.cz is worth $848. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.

How much traffic does server4u.cz get?

Based on its rank, server4u.cz receives roughly 800 unique visitors and 40K page views per month. These figures are modelled from the rank, not measured.

What is server4u.cz's global rank?

Server4u.cz has an estimated global rank of 2,333,227, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.

Who hosts server4u.cz?

Server4u.cz resolves to 81.91.86.27, on the network of WEB4U (AS39790).

What email provider does server4u.cz use?

According to its MX records, server4u.cz receives email with Self-hosted / other (mx2.mailchannels.net). No SPF record was found.

When does server4u.cz expire?

The domain registration of server4u.cz is valid until May 5, 2027 (in 195 days), at REG-WEB4U. Owners usually renew before that date.

What websites are similar to server4u.cz?

Popular websites in the same category as server4u.cz include web4u.cz, estranky.cz, it4i.cz, blcz.cz.

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Shows your live global rank. To cite this report: “StatMemory, server4u.cz website report, https://statmemory.com/server4u.cz”.

StatMemory is not affiliated with server4u.cz. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.