简体中文
badvista.fsf.org
At a glance
- Category
- Other
- Language
- English
- Paid-content signal
- No paid content foundObserved
- Registered
- 1991
- Hosting
- badvista.orgInferred
- HTTPS certificate trusted
- PassedObserved
- Last updated
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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 1991, this domain has about 35 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 registrar is Gandi SAS, a widely used domain service provider. The domain uses the common .org extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by gnu.org, indicating managed DNS hosting. MX records point to the fsf.org email service. CAA records restrict which certificate authorities are authorized to issue certificates. SPF and DMARC are configured. DKIM status is unknown. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed.
TLS and Certificates
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 was issued by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: Referrer-Policy, Permissions-Policy. 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 identifies Apache without an exact version. No explicit CDN or WAF marker was found in the response headers.
Technology Stack Analysis
The public page identifies Apache 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 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. The title has 37 characters, within a common display range.
Hosting and Email
Portland, Maine, United States
Inferred
209.51.188.129
Registration details
| Registrar | Gandi SAS |
|---|---|
| Registered | 1991-02-01 |
| Expires | 2027-02-02 |
| Domain status | client transfer prohibited |
| Nameservers | ns1.gnu.org、ns2.gnu.org、ns4.gnu.org |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | badvista.org | 209.51.188.129 | 1800 | — |
| AAAA | badvista.org | 2001:470:142::129 | 1800 | — |
| MX | fsf.org | mail.fsf.org | 180 | 10 |
| NS | fsf.org | ns1.gnu.org | 180 | — |
| NS | fsf.org | ns2.gnu.org | 180 | — |
| NS | fsf.org | ns4.gnu.org | 180 | — |
| TXT | fsf.org | libera-asq123s | 180 | — |
| TXT | fsf.org | v=spf1 redirect=gnu.org | 180 | — |
| CNAME | badvista.fsf.org | www.badvista.org | 180 | — |
| CAA | fsf.org | 0 issue "letsencrypt.org" | 180 | — |
| CAA | fsf.org | 0 issuewild "letsencrypt.org" | 180 | — |
| DMARC | _dmarc.fsf.org | v=DMARC1; p=none; rua=mailto:[email protected] | 180 | — |
TLS and certificates
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| server | Apache |
| strict-transport-security | max-age=63072000; includeSubDomains; preload |
| content-security-policy | upgrade-insecure-requests; default-src 'self' https:; style-src 'self' 'unsafe-inline' https:; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; |
| x-frame-options | sameorigin |
| x-content-type-options | nosniff |
Identified technologies
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)
8 rulesteoma 0 allowed · 2 disallowed
- Disallow
/control/ - Disallow
/report/
All bots 0 allowed · 6 disallowed
- Disallow
/control/ - Disallow
/report/ - Disallow
/details/goldenbull2007john/ - Disallow
/stream/goldenbull2007john/ - Disallow
/download/goldenbull2007john/ - Disallow
/14/items/goldenbull2007john/goldenbull2007john_djvu.txt
No matching rules.
User reviews (0)