🇨🇿
.cz
ccTLD zone · operated by CZ.NIC
1.3M
Zone size
1,378
Operators
Moderate
Concentration
Top operators in .cz by domains in the zone
1 wedos.comindependent 254K.cz domains 19% +1.1%
2 forpsi.czAruba Group 192K.cz domains 14.3% +0.2%
3 websupport.skTeam Blue 164K.cz domains 12.2% +3%
4 cloudflare.comindependent 78K.cz domains 5.8% +12.2%
5 regzone.czindependent 49K.cz domains 3.7% −0.2%
6 webglobe.skGroup One 48K.cz domains 3.6% +0.7%
7 thinline.czindependent 42K.cz domains 3.1% +0.8%
8 rdrhost.comindependent 38K.cz domains 2.9% +0.3%
9 onebit.czindependent 36K.cz domains 2.7% −0.9%
10 Register.itTeam Blue 33K.cz domains 2.5% −0.6%
11 gransy.comindependent 33K.cz domains 2.4% −0.7%
12 web4u.czGroup One 32K.cz domains 2.4% −0.2%
13 ignum.comindependent 29K.cz domains 2.2% −0.6%
14 blueboard.czindependent 16K.cz domains 1.2% −0.3%
15 GigaServer.czindependent 16K.cz domains 1.2% +0.1%
16 vas-hosting.euindependent 14K.cz domains 1.1% +4.4%
17 domainmaster.czindependent 14K.cz domains 1% +0%
18 godaddy.comGodaddy 12K.cz domains 0.9% +2.2%
19 wix.comindependent 11K.cz domains 0.8% −1.8%
20 shoptet.czindependent 10K.cz domains 0.7% −1.2%
21 tele3.czindependent 9K.cz domains 0.7% −4.6%
22 endora.czindependent 9K.cz domains 0.7% +0.1%
23 active24.czTeam Blue 9K.cz domains 0.6% −39.2%
24 parkingcrew.netindependent 8K.cz domains 0.6% −0.7%
25 svethostingu.czindependent 7K.cz domains 0.6% −0.1%
26 xundns.comindependent 5K.cz domains 0.4% +10.8%
27 dnsip.comindependent 5K.cz domains 0.4% +8.1%
28 emailprofi.czindependent 5K.cz domains 0.3% +1%
29 netsto.netindependent 5K.cz domains 0.3% +15.9%
30 Amazonindependent 5K.cz domains 0.3% +2.2%
31 hostinger.comindependent 4K.cz domains 0.3% −0.5%
32 hukot.czindependent 4K.cz domains 0.3% +0.7%
33 profiwh.comindependent 4K.cz domains 0.3% +0.2%
34 pipni.czindependent 4K.cz domains 0.3% −1.2%
35 webkitty.euindependent 4K.cz domains 0.3% +1.9%
36 cscglobal.comindependent 4K.cz domains 0.3% −0.1%
37 web4ce.czindependent 3K.cz domains 0.3% −0.6%
38 golemos.comindependent 3K.cz domains 0.3% −1.3%
39 hosting90.czindependent 3K.cz domains 0.3% −0.7%
40 ovh.comindependent 3K.cz domains 0.2% +0.4%
41 nethost.czindependent 3K.cz domains 0.2% −0.6%
42 abzone.czindependent 3K.cz domains 0.2% −0.3%
43 antee.czindependent 3K.cz domains 0.2% +0%
44 vshosting.czindependent 3K.cz domains 0.2% +0%
45 banan.czindependent 3K.cz domains 0.2% −1.1%
46 fortion.czindependent 2K.cz domains 0.2% −0.7%
47 one.czindependent 2K.cz domains 0.2% +1.1%
48 united-domains.deUnited Internet 2K.cz domains 0.2% +0.2%
49 webzdarma.czindependent 2K.cz domains 0.1% −0.8%
50 dynadot.comindependent 2K.cz domains 0.1% +24.9%
51 ns.deindependent 2K.cz domains 0.1% −1%
52 nsone.netindependent 2K.cz domains 0.1% +4.9%
53 kraxnet.comindependent 2K.cz domains 0.1% −1.7%
54 gandi.netYour Online 2K.cz domains 0.1% +23%
55 vercel.comindependent 2K.cz domains 0.1% +9.6%
56 hostcreators.skindependent 2K.cz domains 0.1% +3.3%
57 alibaba.comindependent 2K.cz domains 0.1% +11%
58 aziendeitalia.comindependent 2K.cz domains 0.1% −0.3%
59 aerohosting.czindependent 2K.cz domains 0.1% +0.2%
60 webhouse.skindependent 2K.cz domains 0.1% −0.7%
61 netio.czindependent 2K.cz domains 0.1% +1%
62 markmonitor.comMarkmonitor Group 2K.cz domains 0.1% −0.4%
63 azure-dns.comindependent 2K.cz domains 0.1% +3.1%
64 servis-domen.czindependent 1K.cz domains 0.1% +2.4%
65 key-systems.netTeam Internet 1K.cz domains 0.1% +11.8%
66 aspone.czindependent 1K.cz domains 0.1% −0.1%
67 eurodns.comNamespace 1K.cz domains 0.1% −0.1%
68 master.czindependent 1K.cz domains 0.1% −0.2%
69 digitalocean.comindependent 1K.cz domains 0.1% −0.4%
70 exon.ioindependent 1K.cz domains 0.1% +5.3%
71 home.plUnited Internet 1K.cz domains 0.1% −2.2%
72 exohosting.czindependent 1K.cz domains 0.1% +0%
73 DNS.comindependent 1K.cz domains 0.1% −1.2%
74 microsoft.comindependent 1K.cz domains 0.1% −0.6%
75 openprovider.nlindependent 1K.cz domains 0.1% +12.3%
76 hetzner.deindependent 1K.cz domains 0.1% +3.7%
77 best-hosting.czindependent 1K.cz domains 0.1% −0.9%
78 rozhled.czindependent 961.cz domains 0.1% −0.2%
79 sedo.comUnited Internet 921.cz domains 0.1% −1.8%
80 siteground.netindependent 904.cz domains 0.1% −0.6%
81 webmium.comindependent 901.cz domains 0.1% −0.1%
82 Name.comIdentity Digital 860.cz domains 0.1% +168.8%
83 webareal.czindependent 852.cz domains 0.1% −0.8%
84 netim.netindependent 846.cz domains 0.1% +0.1%
85 o2.czindependent 842.cz domains 0.1% +7.5%
86 internetx.comUnited Internet 797.cz domains 0.1% +1.4%
87 comlaude.comMarkmonitor Group 792.cz domains 0.1% +0.3%
88 dnsbackup.netindependent 790.cz domains 0.1% −1.6%
89 sh.czindependent 739.cz domains 0.1% −0.1%
90 ionos.comUnited Internet 737.cz domains 0.1% +0.8%
91 cloud.google.comindependent 698.cz domains 0.1% +0.7%
92 onlinehosting.czindependent 679.cz domains 0.1% −0.7%
93 nameshield.netindependent 672.cz domains 0.1% −1%
94 Above.comindependent 650.cz domains 0% −2.8%
95 axfone.czindependent 647.cz domains 0% −0.3%
96 redirect.hostindependent 624.cz domains 0% −6.6%
97 domaindiscount24.comTeam Internet 607.cz domains 0% −0.2%
98 One.comGroup One 594.cz domains 0% −1.7%
99 kv-gmbh.deindependent 542.cz domains 0% +0%
100 brandshelter.comTeam Internet 537.cz domains 0% −14.4%
Zone momentum domains in zone · 12 months
1.3M
.cz now
+23K
Net / month
Fast movers 30d · % change
Fastest growing
1Name.com+168.8%
2dynadot.com+24.9%
3gandi.net+23%
4netsto.net+15.9%
Losing ground
1active24.cz−39.2%
2brandshelter.com−14.4%
3redirect.host−6.6%
4tele3.cz−4.6%

About this data

How it is collected. Market Insights is built entirely from publicly observable data: domains seen across the internet and the DNS servers that answer for them. We attribute each domain to a provider based on the DNS infrastructure serving it, and aggregate those signals into the figures shown here.

Why it can differ from reality. This is an automated estimate, not an official registry. A provider’s real footprint can be higher or lower than shown, especially when it does not use its own DNS servers to host customer domains (for example, when those domains sit on a registrar’s, reseller’s or third-party cloud DNS). Coverage, timing and DNS configuration all affect what we can see.

The tool is neutral and provided “as is”. The same automated method is applied to every provider, with no manual ranking, no favoritism and no paid placement. These figures are published for informational purposes only, without any warranty of accuracy or completeness, and we accept no liability for any discrepancies or for decisions made based on this data.

Think a company is under-counted? We’d genuinely like to fix it. Send us your domain list or report your DNS servers, and we’ll review the attribution.