hcdnd.csfw.quanqiu.d.cdn.chinamobile.com is a subdomain of China Mobile, so the parent organization is well known. But this specific server isn't meant for regular visitors — it's probably a CDN node. That doesn't mean it's trustworthy. The biggest red flags are the complete lack of HTTPS encryption and the fact that it's hosted on a network (Kaopu Cloud) that Spamhaus lists as a dedicated drop zone for malicious activity. Even if this server is just serving cached content, the absence of encryption means any data passing through it is at risk of tampering or snooping. There's no way to verify who controls this specific server, and it has no history on the Wayback Machine. If you're considering using this server for anything other than trivial non-sensitive data, don't. For a CDN node, these issues are serious enough to warrant caution.
No — hcdnd.csfw.quanqiu.d.cdn.chinamobile.com doesn't look safe
In plain English
This server is likely a CDN node used by China Mobile, but it fails basic security tests and is hosted on a network flagged for malicious activity. Without HTTPS and with an opaque setup, it's not something you should trust to handle any data. Avoid interacting with it directly.
What you should do now
Don't panic. These steps limit the damage, and the sooner you take them the better.
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Where the score comes from
No HTTPS connection could be established, which is a major failure for any web-facing server. This means any data sent to or from this server is not encrypted and could be intercepted.
This is a subdomain of chinamobile.com, a major known telecommunications company, so the parent organization is clear. However, the specific subdomain is not registered in WHOIS, which is typical for subdomains but still opaque.
While not on DNS blacklists, this server is hosted on an ASN (Kaopu Cloud) that Spamhaus flags as wholly malicious, which raises serious concerns about the network's history and reliability.
This server provides no about page, contact information, or any indication of who runs it. For a server that appears to be a CDN node, this lack of transparency is not unusual, but it makes it impossible for outsiders to verify its legitimacy.
This is a server-level domain, not a commercial website, so standard compliance expectations like privacy policies do not apply. No compliance issues are relevant here.
The server uses multiple IPs across different networks, but lacks DNSSEC and shows no email handling. The hosting on a flagged network is a significant infrastructure concern.
What we checked
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