seclists.org
SecLists.Org Security Mailing List Archive
Last scanned Aug 5, 2026, 12:00 PM · 6 views
Overall score
Great
Summary
Security mailing list archive for the Nmap lists, Bugtraq, Full Disclosure, Security Basics, Pen-test, and dozens more. This website uses Apache. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Security mailing list archive for the Nmap lists, Bugtraq, Full Disclosure, Security Basics, Pen-test, and dozens more. Search capabilities and RSS feeds with smart excerpts are available
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
286 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 26, 2026
- Overall
- 83
- SEO
- 80
- Security
- 65
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Security mailing list archive for the Nmap lists, Bugtraq, Full Disclosure, Security Basics, Pen-test, and dozens more. Search capabilities and RSS feeds with smart excerpts are available
Contact
Email, phone, and address published on this site's own pages.
- fyodor@nmap.org
Meta tags
- Title
- SecLists.Org Security Mailing List Archive
- Description
- Security mailing list archive for the Nmap lists, Bugtraq, Full Disclosure, Security Basics, Pen-test, and dozens more. Search capabilities and RSS feeds with smart excerpts are available
- Canonical
- https://seclists.org/
- Language
- en
- Charset
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- NOARCHIVE
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- insecure.com
- Valid from
- Jul 20, 2026
- Valid to
- Oct 18, 2026
- Days until expiry
- 73
- SAN domains
- insecure.com, insecure.org, issues.nmap.com, issues.nmap.org, issues.npcap.com, issues.npcap.org, nmap.com, nmap.net, nmap.org, npcap.com, npcap.org, seclists.com, seclists.net, seclists.org, sectools.com, sectools.net, sectools.org, secwiki.com, secwiki.net, secwiki.org, svn.nmap.org, www.nmap.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 0
Links
183 internal · 104 external · 5 broken
Images
120 total · 0 missing alt
Scripts / Styles
5 scripts · 3 stylesheets
JS / CSS size
377 B · 0 B
Page size
113 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://seclists.org
- Final URL
- https://seclists.org
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 284 ms
- HTML size
- 113 KB
- Redirect chain
- https://seclists.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does seclists.org use?
- seclists.org is built with Google Analytics, Apache.
- Is seclists.org secure (HTTPS)?
- Yes. seclists.org uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 18, 2026.
- Who hosts seclists.org?
- Hosting provider information for seclists.org is not available yet.
- What is seclists.org's SEO score?
- seclists.org scored 80/100 for SEO in the latest analysis (great).
- What is seclists.org's overall website score?
- seclists.org has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Has seclists.org's score changed over time?
- seclists.org's overall score has declined by 3 points (from 86 to 83) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card