简体中文
Englishavogadro.cc
At a glance
- Category
- Development
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 2014
- Hosting
- FastlyInferred
- HTTPS certificate trusted
- PassedObserved
- Last updated
Related questions
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Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.
Domain and Registration
Registered in 2014, this domain has about 12 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses the common .cc extension, which is not an independent safety signal.
DNS and Email
The observed email authentication setup is incomplete: DMARC is missing. Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the dreamhost.com email service. No CNAME was found; the observed records resolve directly to addresses. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed.
TLS and Certificates
The public key uses EC with 256 bits. 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 was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: HSTS, CSP, Referrer-Policy, Permissions-Policy, clickjacking protection. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray, x-cache, x-served-by, via response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers.
Technology Stack Analysis
The public page identifies Cloudflare, Fastly without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
No homepage meta description was detected, leaving snippet selection more dependent on page text. No Open Graph metadata was detected, so social previews may depend on platform inference. The title has 39 characters, within a common display range. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.
Hosting and Email
Cloudflare
FastlyRegistration details
| Registrar | eNom, LLC |
|---|---|
| Registered | 2014-01-08 |
| Expires | 2027-01-08 |
| Domain status | client transfer prohibited |
| Nameservers | jake.ns.cloudflare.com、lady.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | avogadro.cc | 104.21.13.189 | 300 | — |
| A | avogadro.cc | 172.67.133.16 | 300 | — |
| AAAA | avogadro.cc | 2606:4700:3035::6815:dbd | 300 | — |
| AAAA | avogadro.cc | 2606:4700:3037::ac43:8510 | 300 | — |
| MX | avogadro.cc | mx1.dreamhost.com | 300 | 0 |
| MX | avogadro.cc | mx2.dreamhost.com | 300 | 1 |
| NS | avogadro.cc | jake.ns.cloudflare.com | 86400 | — |
| NS | avogadro.cc | lady.ns.cloudflare.com | 86400 | — |
| TXT | avogadro.cc | v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net ~all | 300 | — |
TLS and certificates
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=utf-8 |
| cache-control | max-age=600 |
| server | cloudflare |
| x-content-type-options | nosniff |
| access-control-allow-origin | * |
Identified technologies
Pages, Search and Sharing
| Meta description | Not detected |
|---|---|
| Canonical URL | https://avogadro.cc/index.html |
| Language | English (default) |
| Twitter Card | Not detected |
Unknown
robots.txt (opens in a new tab)
0 rulesNo rules found
No matching rules.
Sitemaps
0No sitemaps found
User reviews (0)