btcblack.it
BTC Black - Blocklist Threat Clearinghouse
Last scanned Aug 3, 2026, 9:00 PM · 10 views
Overall score
Great
Summary
BTC Black, the Blocklist Threat Clearinghouse: real-time DNS blacklists for Bitcoin addresses, ESP accounts, freemail accounts, and fuzzy hashes. This website uses Apache hosted on OVH - OVH SAS, FR. SEO is good (85/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
BTC Black, the Blocklist Threat Clearinghouse: real-time DNS blacklists for Bitcoin addresses, ESP accounts, freemail accounts, and fuzzy hashes.
- France
- Hosted on OVH - OVH SAS, FR
Top issues to fix
5 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
SEO
2 issue(s) found
Performance
123 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 87
- SEO
- 85
- Security
- 75
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
BTC Black, the Blocklist Threat Clearinghouse: real-time DNS blacklists for Bitcoin addresses, ESP accounts, freemail accounts, and fuzzy hashes.
Contact
Email, phone, and address published on this site's own pages.
- info@btcblack.it
Meta tags
- Title
- BTC Black - Blocklist Threat Clearinghouse
- Description
- BTC Black, the Blocklist Threat Clearinghouse: real-time DNS blacklists for Bitcoin addresses, ESP accounts, freemail accounts, and fuzzy hashes.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- OVH - OVH SAS, FR
- CDN provider
- —
- IP address
- 151.80.178.91
- ASN
- AS16276 (OVH - OVH SAS, FR)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- btcblack.it
- Valid from
- Jun 22, 2026
- Valid to
- Sep 20, 2026
- Days until expiry
- 47
- SAN domains
- btcblack.it, www.btcblack.it
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 0
Links
5 internal · 1 external · 0 broken
Images
1 total · 0 missing alt
Scripts / Styles
2 scripts · 2 stylesheets
JS / CSS size
152 KB · 221 KB
Page size
10.2 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 5
SEO issues
- Missing canonical link
- No H1 heading found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://btcblack.it
- Final URL
- https://btcblack.it
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 123 ms
- HTML size
- 10.2 KB
- Redirect chain
- https://btcblack.it
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Frequently asked questions
- What technology does btcblack.it use?
- btcblack.it is built with Bootstrap, jQuery, Apache.
- Is btcblack.it secure (HTTPS)?
- Yes. btcblack.it uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 20, 2026.
- Who hosts btcblack.it?
- btcblack.it is hosted on OVH - OVH SAS, FR.
- What is btcblack.it's SEO score?
- btcblack.it scored 85/100 for SEO in the latest analysis (great).
- What is btcblack.it's overall website score?
- btcblack.it has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- Has btcblack.it's score changed over time?
- btcblack.it's overall score has stayed steady at 87/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card