post.cz is registered with REG-SEZNAM and is hosted on AS43037 SEZNAM in Czechia. Its SSL certificate from Let's Encrypt expired on 21 Mar 2024, and the site does not support HTTP/3. WOT's community rates its safety excellent (84/100).
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.
611 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| p0st.buzz | Look-alike characters | 25 Aug 2026 | Checking… | Report → |
| p0st.click | Look-alike characters | 25 Aug 2026 | Checking… | Report → |
| post.ae | Other extension | 8 Nov 2026 | Checking… | Report → |
| pots.guru | Typo | 8 Nov 2026 | Checking… | Report → |
| post.berlin | Other extension | 7 Nov 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is post.cz’s name taken on other extensions?
Estimated visitors and engagement.
| Top countries | Share | Visits | Desktop | Mobile |
|---|---|---|---|---|
| Czechia | 100% | 468,339 | 0% | 100% |
Every IP address post.cz resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| post.cz | 77.75.78.196 | 300 |
| Host | IPv6 address | TTL |
|---|---|---|
| post.cz | 2a02:598:a::78:196 | 300 |
| Host | Mail server | TTL |
|---|---|---|
| post.cz | 5 mx1.seznam.cz | 1354 |
| post.cz | 10 mx2.seznam.cz | 1354 |
| Host | Name server | TTL |
|---|---|---|
| post.cz | ams.seznam.cz | 3600 |
| post.cz | ans.seznam.cz | 3600 |
| Host | Text | TTL |
|---|---|---|
| post.cz | "google-site-verification=0h2ZT7J97HD4O290m5V54lrNwDNUVcceILaRsdoYIm8" | 300 |
| post.cz | "v=spf1 mx ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?all" | 300 |
| Host | Policy | TTL |
|---|---|---|
| post.cz | 0 issue letsencrypt.org | 300 |
| Host | Start of authority | TTL |
|---|---|---|
| post.cz | ans.seznam.cz hostmaster.seznam.cz 1704974527 900 300 604800 300 | 300 |
| Host | Value | TTL |
|---|---|---|
| post.cz | 256 3 13 RnAABvK0h+SWdXl8+YeenUeFPmGadpY8qX9CGOqHJqFfTWTwJR3v+lnMEFceT6wximjYHLLnxLDeLNdhPMro+Q== | 300 |
| post.cz | 257 3 13 vm5Ehr59MftyY/WNeJhurpsrLjOCJzoNsOeKkxXxQFXzY1sE16vEmMLC8smmvPmNTxkP1dKFY/PpyHSQwUs+PQ== | 300 |
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Reviews are from CubDomain users and are separate from the security verdicts above.
Common questions, answered from this report's data.
WOT's community rates post.cz excellent for safety (84/100). Its SSL certificate expired on 21 Mar 2024. See Security →
post.cz is registered through REG-SEZNAM. The public WHOIS record shows the registrant’s details. See WHOIS →
post.cz is served from 1 IP address, mainly on AS43037 SEZNAM in Czechia. See Hosting →
Raw registry data for post.cz. May be redacted by privacy services.
% (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: 3.13.0 % Timestamp: Mon Jan 22 10:49:52 2024 domain: post.cz registrant: SEZNAM-CZ-AS admin-c: SEZNAM-CZ-AS-TECH nsset: SEZNAM-NAMESERVERS keyset: AUTO-N6WEKCPNFRYKI4KGDPOPQO0HX registrar: REG-SEZNAM status: Sponsoring registrar change forbidden registered: 06.09.1997 02:00:00 changed: 05.09.2022 14:21:06 expire: 28.10.2024 contact: SEZNAM-CZ-AS org: Seznam.cz, a.s. name: Pavel Zima address: Radlická 3294/10 address: Praha 5 address: 150 00 address: CZ e-mail: [email protected] registrar: REG-MOJEID created: 21.01.2021 07:38:06 changed: 05.10.2022 09:56:15 contact: SEZNAM-CZ-AS-TECH org: Seznam.cz, a.s. name: Vlastimil Pečínka address: Radlická 3294/10 address: Praha 5 address: 150 00 address: CZ e-mail: [email protected] registrar: REG-MOJEID created: 27.02.2017 13:51:01 changed: 12.10.2022 12:08:58 nsset: SEZNAM-NAMESERVERS nserver: ans.seznam.cz (77.75.74.80, 2a02:598:3333::3) nserver: ams.seznam.cz (77.75.75.230, 2a02:598:4444::4) tech-c: SEZNAM-CZ-AS-TECH registrar: REG-SEZNAM created: 18.10.2007 18:01:01 changed: 30.08.2022 13:43:57 keyset: AUTO-N6WEKCPNFRYKI4KGDPOPQO0HX dnskey: 257 3 13 vm5Ehr59MftyY/WNeJhurpsrLjOCJzoNsOeKkxXxQFXzY1sE16vEmMLC8smmvPmNTxkP1dKFY/PpyHSQwUs+PQ== tech-c: CZ-NIC registrar: REG-CZNIC created: 09.11.2021 14:56:57 contact: CZ-NIC org: CZ.NIC, z.s.p.o. name: CZ.NIC, z.s.p.o. address: Milesovska 1136/5 address: Praha 3 address: 130 00 address: CZ registrar: REG-CZNIC created: 17.10.2008 12:08:21 changed: 15.05.2018 21:32:00
The first response from http://www.post.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 post.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.