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Domain report

devco.re

devco.re ranks in the top 0.34% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore devco.re in the Web Graph

Connectivity

#450,403harmonic-centrality rank
Top percentile
0.34%
Hosts observed
3

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://devco.re/ answered with HTTP 200.

DNS records

A
  • 172.67.137.150
  • 104.21.64.233
AAAA
  • 2606:4700:3031::ac43:8996
  • 2606:4700:3032::6815:40e9
MX
  • 1 aspmx.l.google.com.
  • 10 aspmx2.googlemail.com.
  • 10 aspmx3.googlemail.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • coby.ns.cloudflare.com.
  • robin.ns.cloudflare.com.

Live preview

Screenshot of devco.re

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

Since devco.re 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).

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; charset=utf-8
Cache-Control
max-age=600
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
same-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://devco.re/HTTP 301

    → https://devco.re/

  2. 2.https://devco.re/HTTP 200

Meta tags

Title
具備駭客思維的紅隊演練專家 | DEVCORE 戴夫寇爾
Description
DEVCORE 從駭客思維出發，為企業執行最真實的紅隊演練與滲透測試。用最卓越的攻擊技術，讓全世界變得更安全。積極改善資安產業，讓台灣資安人才有更好的舞台。
Canonical
https://devco.re/
Robots
Not set
Generator
Not set
Open Graph title
具備駭客思維的紅隊演練專家 | DEVCORE 戴夫寇爾
Open Graph description
DEVCORE 從駭客思維出發，為企業執行最真實的紅隊演練與滲透測試。用最卓越的攻擊技術，讓全世界變得更安全。積極改善資安產業，讓台灣資安人才有更好的舞台。
Open Graph image
https://devco.re/images/main.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
具備駭客思維的紅隊演練專家 | DEVCORE 戴夫寇爾
Twitter image
https://devco.re/images/main.png

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

Sitemap declared:

  • https://devco.re/sitemap.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.