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shemmus.dev

shemmus.dev ranks in the top 0.27% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore shemmus.dev in the Web Graph

Connectivity

#360,816harmonic-centrality rank
Top percentile
0.27%
Hosts observed
1

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://shemmus.dev/ answered with HTTP 200.

DNS records

A
  • 104.21.79.86
  • 172.67.169.106
AAAA
  • 2606:4700:3037::6815:4f56
  • 2606:4700:3030::ac43:a96a
MX
No records found.
NS
  • cesar.ns.cloudflare.com.
  • coraline.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States104.21.79.0/24, which holds 104.21.79.86

Live preview

This is a live, sandboxed embed of shemmus.dev — not a copy. What it shows can change any time the site itself does.

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
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://shemmus.dev/HTTP 301

    → https://shemmus.dev/

  2. 2.https://shemmus.dev/HTTP 200

Meta tags

Title
Ahmet Semseddin Gultekin — Security Engineering
Description
Portfolio of Ahmet Semseddin Gultekin — Computer Engineering student focused on security engineering.
Canonical
https://shemmus.dev/
Robots
Not set
Generator
Astro v6.0.6
Open Graph title
Ahmet Semseddin Gultekin — Security Engineering
Open Graph description
Portfolio of Ahmet Semseddin Gultekin — Computer Engineering student focused on security engineering.
Open Graph image
https://shemmus.dev/og-default.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Ahmet Semseddin Gultekin — Security Engineering
Twitter image
https://shemmus.dev/og-default.png

robots.txt

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

Sitemap declared:

  • https://shemmus.dev/sitemap-index.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

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