dc3.cz was registered on 2 Aug 2009 and is hosted on AS15685 Casablanca INT a.s. in Czechia. Its SSL certificate from Alpiro s.r.o. expired on 9 Oct 2024, and the site does not support HTTP/3.
What security vendors and the WOT community say about this domain.
What loads and tracks visitors when the homepage opens.
Running a full browser scan of the homepage… This takes about a minute.
428 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| cd3.io | Typo | 8 Nov 2026 | Checking… | Report → |
| dc3.world | Other extension | 1 Nov 2026 | Checking… | Report → |
| dc3.lat | Other extension | 18 Oct 2026 | Checking… | Report → |
| dc3.cam | Other extension | 17 Oct 2026 | Checking… | Report → |
| dc3.shop | Other extension | 15 Sept 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is dc3.cz’s name taken on other extensions?
Estimated visitors and engagement.
| Top countries | Share | Visits | Desktop | Mobile |
|---|---|---|---|---|
| Czechia | 100% | — | — | — |
1 technology detected across 1 category.
Detected from headers, page source and DNS · Automatic and may be incomplete · Suggest a correction
Every IP address dc3.cz resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| dc3.cz | 81.0.217.112 | 596 |
| Host | IPv6 address | TTL |
|---|---|---|
| dc3.cz | 2001:1528:123:123::112 | 600 |
| Host | Mail server | TTL |
|---|---|---|
| dc3.cz | 10 mail.dc3.cz | 600 |
| Host | Name server | TTL |
|---|---|---|
| dc3.cz | ns1.tele3.cz | 600 |
| dc3.cz | ns2.tele3.cz | 600 |
| dc3.cz | ns3.tele3.eu | 600 |
| dc3.cz | ns4.tele3.us | 600 |
| Host | Policy | TTL |
|---|---|---|
| dc3.cz | 0 issue letsencrypt.org | 600 |
| Host | Start of authority | TTL |
|---|---|---|
| dc3.cz | ns1.tele3.cz root.tele3.cz 1699512051 28800 7200 1209600 43200 | 600 |
| Host | Value | TTL |
|---|---|---|
| dc3.cz | 256 3 14 JQWlfqc383cKgAhBgAEeaiPSlCk1N5V+OoALXtA1hmzV2UkU6XHWelRITCMBz5fSNh0V2+zgfVvFoGEb2okTkUcAfRLeTWTDg2haJY9EAE6nI2A3UsMiO2WAM0Fsboid | 600 |
| dc3.cz | 257 3 14 KcQLiJh/xgs8ljE0tgkTt/3TlYEAb89Ng1YCRBFoS1OGVfOGduqQpDTxqQA9LvjpzJBPvRtbJPuy/72ZsItKRZ4UDUkG9zde+sNXcOa/v+kS0kUAylBbSix0XFH3AXW3 | 600 |
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Common questions, answered from this report's data.
dc3.cz has no community safety rating yet. Its SSL certificate expired on 9 Oct 2024. See Security →
The registration expired on 1 Aug 2024. See Overview →
dc3.cz was registered on 2 Aug 2009, making it 17 years old. See Overview →
dc3.cz is served from 1 IP address, mainly on AS15685 Casablanca INT a.s. in Czechia. See Hosting →
We detected 1 technology, including jQuery. See Built with →
Raw registry data for dc3.cz. May be redacted by privacy services.
{"objectClassName": "domain", "rdapConformance": ["rdap_level_0", "fred_version_0"], "handle": "dc3.cz", "ldhName": "dc3.cz", "links": [{"value": "https://rdap.nic.cz/domain/dc3.cz", "rel": "self", "href": "https://rdap.nic.cz/domain/dc3.cz", "type": "application/rdap+json"}], "port43": "whois.nic.cz", "events": [{"eventAction": "registration", "eventDate": "2009-08-02T12:06:49+00:00"}, {"eventAction": "expiration", "eventDate": "2024-08-01T22:00:00+00:00"}, {"eventAction": "last changed", "eventDate": "2016-03-23T21:17:09+00:00"}], "entities": [{"objectClassName": "entity", "handle": "TELE3", "roles": ["registrant"], "links": [{"value": "https://rdap.nic.cz/entity/TELE3", "rel": "self", "href": "https://rdap.nic.cz/entity/TELE3", "type": "application/rdap+json"}]}, {"objectClassName": "entity", "handle": "REG-TELE3", "roles": ["registrar"]}], "status": ["active"], "nameservers": [{"objectClassName": "nameserver", "handle": "ns1.tele3.cz", "ldhName": "ns1.tele3.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/ns1.tele3.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns1.tele3.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["81.0.217.111"], "v6": ["2001:1528:123::d01"]}}, {"objectClassName": "nameserver", "handle": "ns2.tele3.cz", "ldhName": "ns2.tele3.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/ns2.tele3.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns2.tele3.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["81.31.35.151"], "v6": ["2a01:430:43::d02"]}}, {"objectClassName": "nameserver", "handle": "ns3.tele3.eu", "ldhName": "ns3.tele3.eu", "links": [{"value": "https://rdap.nic.cz/nameserver/ns3.tele3.eu", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns3.tele3.eu", "type": "application/rdap+json"}]}, {"objectClassName": "nameserver", "handle": "ns4.tele3.us", "ldhName": "ns4.tele3.us", "links": [{"value": "https://rdap.nic.cz/nameserver/ns4.tele3.us", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns4.tele3.us", "type": "application/rdap+json"}]}], "fred_nsset": {"objectClassName": "fred_nsset", "handle": "TELE3", "links": [{"value": "https://rdap.nic.cz/fred_nsset/TELE3", "rel": "self", "href": "https://rdap.nic.cz/fred_nsset/TELE3", "type": "application/rdap+json"}], "nameservers": [{"objectClassName": "nameserver", "handle": "ns1.tele3.cz", "ldhName": "ns1.tele3.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/ns1.tele3.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns1.tele3.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["81.0.217.111"], "v6": ["2001:1528:123::d01"]}}, {"objectClassName": "nameserver", "handle": "ns2.tele3.cz", "ldhName": "ns2.tele3.cz", "links": [{"value": "https://rdap.nic.cz/nameserver/ns2.tele3.cz", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns2.tele3.cz", "type": "application/rdap+json"}], "ipAddresses": {"v4": ["81.31.35.151"], "v6": ["2a01:430:43::d02"]}}, {"objectClassName": "nameserver", "handle": "ns3.tele3.eu", "ldhName": "ns3.tele3.eu", "links": [{"value": "https://rdap.nic.cz/nameserver/ns3.tele3.eu", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns3.tele3.eu", "type": "application/rdap+json"}]}, {"objectClassName": "nameserver", "handle": "ns4.tele3.us", "ldhName": "ns4.tele3.us", "links": [{"value": "https://rdap.nic.cz/nameserver/ns4.tele3.us", "rel": "self", "href": "https://rdap.nic.cz/nameserver/ns4.tele3.us", "type": "application/rdap+json"}]}]}, "secureDNS": {"zoneSigned": true, "delegationSigned": true, "keyData": [{"flags": 257, "protocol": 3, "algorithm": 14, "publicKey": "KcQLiJh/xgs8ljE0tgkTt/3TlYEAb89Ng1YCRBFoS1OGVfOGduqQpDTxqQA9LvjpzJBPvRtbJPuy/72ZsItKRZ4UDUkG9zde+sNXcOa/v+kS0kUAylBbSix0XFH3AXW3"}], "maxSigLife": 1209600}, "fred_keyset": {"objectClassName": "fred_keyset", "handle": "TELE3", "links": [{"value": "https://rdap.nic.cz/fred_keyset/TELE3", "rel": "self", "href": "https://rdap.nic.cz/fred_keyset/TELE3", "type": "application/rdap+json"}], "dns_keys": [{"flags": 257, "protocol": 3, "algorithm": 14, "publicKey": "KcQLiJh/xgs8ljE0tgkTt/3TlYEAb89Ng1YCRBFoS1OGVfOGduqQpDTxqQA9LvjpzJBPvRtbJPuy/72ZsItKRZ4UDUkG9zde+sNXcOa/v+kS0kUAylBbSix0XFH3AXW3"}]}, "notices": [{"title": "Disclaimer", "description": ["(c) 2023 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."]}]}The first response from http://www.dc3.cz, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with dc3.cz. Data is collected independently from public sources and some figures are estimates, provided for information only.
Spam and malware blocklists for the site's IP and mail servers.
Found in public certificate transparency logs.
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When the site first appeared, and what has changed since.
We record what changes from the next time this report is refreshed.