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Domain report

offsec.com

offsec.com ranks in the top 0.30% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 16 distinct hosts observed under it.

Explore offsec.com in the Web Graph

Connectivity

#400,527harmonic-centrality rank
Top percentile
0.30%
Hosts observed
16

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://offsec.com/ answered with HTTP 200.

DNS records

A
  • 192.124.249.6
AAAA
No records found.
MX
  • 15 alt2.aspmx.l.google.com.
  • 20 aspmx2.googlemail.com.
  • 25 aspmx3.googlemail.com.
  • 5 aspmx.l.google.com.
  • 10 alt1.aspmx.l.google.com.
NS
  • ns-170-a.gandi.net.
  • ns-128-c.gandi.net.
  • ns-78-b.gandi.net.

Live preview

Screenshot of offsec.com

This site sends "X-Frame-Options: SAMEORIGIN, SAMEORIGIN", which blocks embedding it here.

Since offsec.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)

Registrar
Gandi SAS
Registered
2007-10-28
Expires
2027-10-28
Last changed
2026-09-27

Nameservers: NS-128-C.GANDI.NET, NS-170-A.GANDI.NET, NS-78-B.GANDI.NET

Status: client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

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

What each security header does

Redirect chain

  1. 1.http://offsec.com/HTTP 301

    → https://offsec.com/

  2. 2.https://offsec.com/HTTP 301

    → https://www.offsec.com/

  3. 3.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

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