sdb4f.us is registered with whois.nic.us and is hosted on AS13335 CloudFlare Inc in United States of America. We couldn't read an SSL certificate for it when we last analysed it.
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.
We couldn't read an SSL certificate on port 443 when we last analysed sdb4f.us. Refresh the analysis to check again.
6 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| sdbmf.com | Typo | 28 Sept 2026 | Checking… | Report → |
| sdbyf.com | Typo | 28 Sept 2026 | Checking… | Report → |
| sdb3f.top | Typo | 6 Sept 2026 | Checking… | Report → |
| sdbxf.cn | Typo | 30 Aug 2026 | Checking… | Report → |
| sdbbf.cn | Typo | 24 Aug 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is sdb4f.us’s name taken on other extensions?
Every IP address sdb4f.us resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| sdb4f.us | 104.21.72.54 | 298 |
| sdb4f.us | 172.67.175.167 | 298 |
| Host | IPv6 address | TTL |
|---|---|---|
| sdb4f.us | 2606:4700:3033::6815:4836 | 300 |
| sdb4f.us | 2606:4700:3035::ac43:afa7 | 300 |
| Host | Name server | TTL |
|---|---|---|
| sdb4f.us | pablo.ns.cloudflare.com | 21600 |
| sdb4f.us | zariyah.ns.cloudflare.com | 21600 |
| Host | Start of authority | TTL |
|---|---|---|
| sdb4f.us | pablo.ns.cloudflare.com dns.cloudflare.com 2328450346 10000 2400 604800 1800 | 1800 |
Other domains served from 104.21.72.54. Normal for shared hosting and CDNs.
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Common questions, answered from this report's data.
sdb4f.us has no community safety rating yet. We couldn't read an SSL certificate on it when we last analysed it. See Security →
sdb4f.us is registered through whois.nic.us. See WHOIS →
sdb4f.us is served from 2 IP addresses, mainly on AS13335 CloudFlare Inc in United States of America. See Hosting →
Raw registry data for sdb4f.us. May be redacted by privacy services.
Number of allowed queries exceeded.
The first response from http://www.sdb4f.us, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with sdb4f.us. 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.