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bitbrowser.cn was registered with 阿里云计算有限公司（万网） on 31 Aug 2021 and is hosted on AS139341 in Singapore. Its SSL certificate from WoTrus CA Limited is valid until 19 Nov 2026, and the site does not support HTTP/3.
On-page basics for the homepage.
Networks cache previews — changes can take time to show.
What security vendors and the WOT community say about this domain.
1 of 5 protections set up
Lists the servers allowed to send email for this domain.
v=spf1 include:spf.mail.qq.com ~allNo key at the 12 common selectors we checked. A custom selector can’t be found from DNS alone.
—Policy is “none”: spoofed mail is reported but not blocked.
v=DMARC1; p=none; rua=mailto:[email protected]Forces encrypted delivery between mail servers.
—Shows the brand logo in supporting inboxes. Optional; needs DMARC enforcement.
—Read from the domain's public DNS records.
0 of 6 recommended headers
Forces HTTPS on future visits.
Limits where scripts can load from — the main defence against XSS.
Stops the site being framed for clickjacking.
Prevents browsers guessing file types.
Which AI crawlers this site allows, and whether it publishes an llms.txt.
From robots.txt. “Partly blocked”: kept out of some pages, not the homepage. Not every crawler follows it. llms.txt is an optional guide some sites publish for AI assistants — it is not a ranking factor.
Pages and files that show who runs the site and how it handles data.
What loads and tracks visitors when the homepage opens.
Running a full browser scan of the homepage… This takes about a minute.
Internet standards that make a site faster and safer.
The path from a typed address to the final page.
50 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| bitbrowser.si | Other extension | 14 Oct 2026 | Checking… | Report → |
| bitbrowser.ru | Other extension | 13 Oct 2026 | Checking… | Report → |
| bitbrowser.bj.cn | Other extension | 12 Oct 2026 | Checking… | Report → |
| bitbrowser.fj.cn | Other extension | 11 Oct 2026 | Checking… | Report → |
| bitbrowser.hk.cn | Other extension | 11 Oct 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is bitbrowser.cn’s name taken on other extensions?
Estimated visitors and engagement.
| Top countries | Share | Visits | Desktop | Mobile |
|---|---|---|---|---|
| China | 31.1% | — | — | — |
| United States | 20.9% | — | — | — |
| Laos | 20.6% | — | — | — |
| Hong Kong SAR China | 5.1% | — | — | — |
| Taiwan | 3.7% | — | — | — |
Every IP address bitbrowser.cn resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| bitbrowser.cn.eo.dnse0.com | 43.174.196.169 | 60 |
| Host | IPv6 address | TTL |
|---|---|---|
| bitbrowser.cn.eo.dnse0.com | 240d:c010:15c:1::158 | 60 |
| bitbrowser.cn.eo.dnse0.com | 240d:c010:1f4:5::5e | 60 |
| bitbrowser.cn.eo.dnse0.com | 240d:c010:74:1::51 | 60 |
| bitbrowser.cn.eo.dnse0.com | 240d:c010:77:3::9a | 60 |
| Host | Mail server | TTL |
|---|---|---|
| bitbrowser.cn | 5 mxbiz1.qq.com | 600 |
| bitbrowser.cn | 10 mxbiz2.qq.com | 600 |
| Host | Name server | TTL |
|---|---|---|
| bitbrowser.cn | vip3.alidns.com | 86400 |
| bitbrowser.cn | vip4.alidns.com | 86400 |
| Host | Text | TTL |
|---|---|---|
| bitbrowser.cn | "v=spf1 include:spf.mail.qq.com ~all" | 600 |
| Host | Start of authority | TTL |
|---|---|---|
| bitbrowser.cn | vip3.alidns.com hostmaster.hichina.com 2026081710 3600 1200 86400 600 | 600 |
No reviews yet. Used bitbrowser.cn? Be the first to say how it went.
Reviews are from CubDomain users and are separate from the security verdicts above.
Common questions, answered from this report's data.
bitbrowser.cn has no community safety rating yet, and it isn't on any of the 6 blocklists we check. Its SSL certificate is valid until 19 Nov 2026. See Security →
bitbrowser.cn is registered through 阿里云计算有限公司（万网）. The public WHOIS record shows the registrant’s details. See WHOIS →
The registration expires on 31 Aug 2029 — in 2 years. See Overview →
bitbrowser.cn was registered on 31 Aug 2021, making it 5 years old. See Overview →
bitbrowser.cn is served from 5 IP addresses, mainly on AS139341 in Singapore. See Hosting →
Raw registry data for bitbrowser.cn. May be redacted by privacy services.
Domain Name: bitbrowser.cn ROID: 20210831s10001s40000352-cn Domain Status: ok Registrant: 北京元宇蓝图科技有限公司 Registrant Contact Email: [email protected] Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: vip3.alidns.com Name Server: vip4.alidns.com Registration Time: 2021-08-31 10:54:57 Expiration Time: 2029-08-31 10:54:57 DNSSEC: unsigned
The first response from http://www.bitbrowser.cn, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with bitbrowser.cn. Data is collected independently from public sources and some figures are estimates, provided for information only.
Controls how much of the URL is shared with other sites.
Restricts camera, microphone and other browser features.
From the homepage's response, https://www.bitbrowser.cn/
Spam and malware blocklists for the site's IP and mail servers.
0 of 6 blocklists list this domain's IP or mail servers.
When the site first appeared, and what has changed since.
No changes seen since we started recording on 31 Oct 2026.
Found in public certificate transparency logs.
| Subdomain | First seen |
|---|---|
| script.bitbrowser.cn | Oct 2023 |
| extensions.sys.bitbrowser.cn | Sept 2023 |
| www.extensions.sys.bitbrowser.cn | Aug 2025 |
| doc.bitbrowser.cn | Sept 2021 |
| extend.oss.bitbrowser.cn | Apr 2023 |