400.ch is registered with whois.nic.ch and is hosted on AS24940 Hetzner Online GmbH in Germany. Its SSL certificate from Let's Encrypt expired on 9 Oct 2025, 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.
481 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| 4o0.net | Look-alike characters | 28 Oct 2026 | Checking… | Report → |
| 4o0.cn | Look-alike characters | 5 Oct 2026 | Checking… | Report → |
| 4o0.lol | Look-alike characters | 19 Sept 2026 | Checking… | Report → |
| 40o.com.br | Look-alike characters | 14 Sept 2026 | Active website | Report → |
| 4oo.asia | Look-alike characters | 1 Sept 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is 400.ch’s name taken on other extensions?
Every IP address 400.ch resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| 400.ch | 136.243.81.243 | 3600 |
| Host | Name server | TTL |
|---|---|---|
| 400.ch | ns1.kv-gmbh.de | 3600 |
| 400.ch | ns2.kv-gmbh.de | 3600 |
| Host | Text | TTL |
|---|---|---|
| 400.ch | "v=spf1 include:spf.socketlabs.com -all" | 3600 |
| Host | Start of authority | TTL |
|---|---|---|
| 400.ch | ns1.kv-gmbh.de hostmaster.kv.de 2024010101 7200 2400 1209600 3600 | 3600 |
Other domains served from 136.243.81.243. Normal for shared hosting and CDNs.
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Common questions, answered from this report's data.
400.ch has no community safety rating yet. Its SSL certificate expired on 9 Oct 2025. See Security →
400.ch is registered through whois.nic.ch. See WHOIS →
400.ch is served from 1 IP address, mainly on AS24940 Hetzner Online GmbH in Germany. See Hosting →
Raw registry data for 400.ch. May be redacted by privacy services.
Requests of this client are not permitted. Please use https://www.nic.ch/whois/ for queries.
The first response from http://www.400.ch, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with 400.ch. 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.