Domain report
offensive-security.com
offensive-security.com ranks in the top 0.0077% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 20 distinct hosts observed under it.
Connectivity
- Top percentile
- 0.0077%
- Hosts observed
- 20
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://offensive-security.com/ answered with HTTP 200.
DNS records
- A
- 192.124.249.5
- AAAA
- No records found.
- MX
- 5 ALT2.ASPMX.L.GOOGLE.com.
- 1 ASPMX.L.GOOGLE.com.
- 5 ALT1.ASPMX.L.GOOGLE.com.
- 10 ALT3.ASPMX.L.GOOGLE.com.
- 10 ALT4.ASPMX.L.GOOGLE.com.
- NS
- ns-34-a.gandi.net.
- ns-182-b.gandi.net.
- ns-185-c.gandi.net.
Live preview
This site sends "X-Frame-Options: SAMEORIGIN, SAMEORIGIN", which blocks embedding it here.
Since offensive-security.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html
- Cache-Control
- Not sent
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- upgrade-insecure-requests;
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- SAMEORIGIN, SAMEORIGIN
- X-Content-Type-Options
- nosniff, nosniff
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://offensive-security.com/HTTP 301→ https://www.offsec.com/
- 2.
https://www.offsec.com/HTTP 200
Meta tags
- Title
- Cybersecurity Training & Certifications | OffSec
- Description
- OffSec delivers hands-on cybersecurity training through live labs, industry-leading certifications like OSCP, and enterprise cyber ranges. Train your team to defend against real-world threats.
- Canonical
- https://www.offsec.com/
- Robots
- Not set
- Generator
- Not set
- Open Graph title
- Cybersecurity Training & Certifications | OffSec
- Open Graph description
- OffSec delivers hands-on cybersecurity training through live labs, industry-leading certifications like OSCP, and enterprise cyber ranges. Train your team to defend against real-world threats.
- Open Graph image
- https://www.offsec.com/app/uploads/2026/04/old-og.png
- Open Graph type
- article
- Twitter card
- summary_large_image
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 4
- Disallow rules (other agents)
- 0
Sitemap declared:
https://www.offsec.com/sitemap_index.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- WordPresscms
Found "wp-content/" in the page's HTML
- Google Tag Manageranalytics
Found "googletagmanager.com/gtm.js" in the page's HTML
- HubSpotanalytics
Found "js.hs-scripts.com" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.