o4sis.com is hosted on AS16509 in United States. Its SSL certificate from Let's Encrypt expired on 6 Jun 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.
42 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| osis.info | Typo | 22 Oct 2026 | Checking… | Report → |
| osis.my | Typo | 19 Oct 2026 | Checking… | Report → |
| o4ss.tattoo | Typo | 12 Oct 2026 | Checking… | Report → |
| odsis.com | Typo | 28 Sept 2026 | Checking… | Report → |
| osis.group | Typo | 24 Sept 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is o4sis.com’s name taken on other extensions?
1 technology detected across 1 category.
Detected from headers, page source and DNS · Automatic and may be incomplete · Suggest a correction
Every IP address o4sis.com resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| o4sis.com | 13.248.243.5 | 3600 |
| o4sis.com | 76.223.105.230 | 3600 |
| Host | Mail server | TTL |
|---|---|---|
| o4sis.com | 0 o4sis-com.mail.protection.outlook.com | 3600 |
| Host | Name server | TTL |
|---|---|---|
| o4sis.com | ns65.domaincontrol.com | 3600 |
| o4sis.com | ns66.domaincontrol.com | 3600 |
| Host | Text | TTL |
|---|---|---|
| o4sis.com | "NETORGFT15390228.onmicrosoft.com" | 3600 |
| o4sis.com | "v=spf1 include:secureserver.net -all" | 3600 |
| Host | Start of authority | TTL |
|---|---|---|
| o4sis.com | ns65.domaincontrol.com dns.jomax.net 2024031901 28800 7200 604800 600 | 3600 |
Other domains served from 13.248.243.5. Normal for shared hosting and CDNs.
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Common questions, answered from this report's data.
o4sis.com has no community safety rating yet. Its SSL certificate expired on 6 Jun 2025. See Security →
o4sis.com is served from 2 IP addresses, mainly on AS16509 in United States. See Hosting →
We detected 1 technology, including Google Analytics. See Built with →
The first response from http://www.o4sis.com, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with o4sis.com. 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.
Searching the certificate transparency logs… This can take up to a minute.
When the site first appeared, and what has changed since.
We record what changes from the next time this report is refreshed.