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sentinelguard.io
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Categories: Development
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Updated: 2026-09-03 15:58
Language: English (default)
Access: Normal
Profile views 0
Outbound visits 0
Website Overview
Limited stack disclosure and few obvious backend markers suggest a more restrained public footprint. That reduces easy fingerprinting clues but is not proof of overall security. An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality.
Domain and Registration
Registered in 2018, this domain has about 7 years of history. That suggests continuity, although ownership and purpose may have changed. The registrar, CSC Corporate Domains, Inc., specializes in corporate domain and brand management, suggesting attention to domain asset protection. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses the common .io extension, which is not an independent safety signal.
DNS and Email
The lowest TTL is 60 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by alibabadns.com, indicating managed DNS hosting. No MX record was found. A conventional explicit inbound-mail route is not configured. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed. No CAA record was found; there is no additional DNS-based restriction on certificate issuers.
TLS and Certificates
The certificate issuer is DigiCert Inc, a commercial certificate authority. The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate is valid for about 394 days in total, with 167 days remaining.
HTTP and Browser Security
The checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value AliyunOSS. No explicit CDN or WAF marker was found in the response headers.
Technology Stack Analysis
No obvious technology stack is exposed. This may reflect restrained information disclosure, although the underlying technologies remain unknown.
Search and Social Sharing
No homepage title was detected; search engines may construct one from other page content. No homepage meta description was detected, leaving snippet selection more dependent on page text. No viewport meta tag was detected, which may affect mobile layout behavior. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. No Open Graph metadata was detected, so social previews may depend on platform inference.
Hosting and Email
Pages, Search and Sharing
| Meta description | Not detected |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
HTTP 404No robots.txt found
Sitemaps
0No sitemaps found
Registration details RDAP / WHOIS
| Registrar | CSC Corporate Domains, Inc. |
|---|---|
| Registered | 2018-12-11 |
| Expires | 2026-12-11 |
| Domain status | clientTransferProhibited https://icann.org/epp#clientTransferProhibited |
| Nameservers | ns1.alibabadns.cn、ns1.alibabadns.com、ns2.alibabadns.cn、ns2.alibabadns.com |
| DNSSEC | unsigned |
DNS records
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2 |
| Negotiated protocol | TLSv1.2 |
| Certificate subject | sentinelguard.io |
| Issuer | DigiCert Inc |
| Valid until | 2027-02-17T23:59 · Remaining when checked: 167 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| cache-control | no-cache |
| server | AliyunOSS |
Identified technologies
Technology stack: Unknown
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