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Domain report

simtool.dev

simtool.dev ranks in the top 0.23% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 24 distinct hosts observed under it.

Explore simtool.dev in the Web Graph

Connectivity

#307,821harmonic-centrality rank
Top percentile
0.23%
Hosts observed
24

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

DNS records

A
  • 172.67.132.35
  • 104.21.12.119
AAAA
  • 2606:4700:3036::ac43:8423
  • 2606:4700:3035::6815:c77
MX
No records found.
NS
  • bonnie.ns.cloudflare.com.
  • coen.ns.cloudflare.com.

Live preview

Screenshot of simtool.dev

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

Since simtool.dev 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
public, max-age=0, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
default-src 'self'; script-src 'self' 'unsafe-inline' https://www.googletagmanager.com https://pagead2.googlesyndication.com https://googleads.g.doubleclick.net; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; connect-src 'self' https://www.google-analytics.com https://analytics.google.com; frame-src https://googleads.g.doubleclick.net https://tpc.googlesyndication.com;
Strict-Transport-Security
max-age=31536000; includeSubDomains
X-Frame-Options
DENY
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
camera=(), microphone=(), geolocation=()

What each security header does

Redirect chain

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

    → https://simtool.dev/

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

Meta tags

Title
simtool.dev — 暮らし・お金・変換の無料Webツールとガイド
Description
電気代・手取り・引越し・住宅ローンの計算から、サイズ・色・料理の単位変換まで。18本のガイド記事と無料Webツールを集めたサイト。登録不要・インストール不要、ブラウザですぐ使えます。
Canonical
https://simtool.dev/
Robots
Not set
Generator
Not set
Open Graph title
simtool.dev — 暮らし・お金・変換の無料Webツールとガイド
Open Graph description
電気代・手取り・引越し・住宅ローンの計算から、サイズ・色・料理の単位変換まで。18本のガイド記事と無料Webツールを集めたサイト。登録不要・インストール不要、ブラウザですぐ使えます。
Open Graph image
https://simtool.dev/ogp.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
simtool.dev — 暮らし・お金・変換の無料Webツールとガイド
Twitter image
https://simtool.dev/ogp.png

robots.txt

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

Sitemap declared:

  • https://simtool.dev/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

  • Cloudflare Web Analyticsanalytics

    Found "static.cloudflareinsights.com" in the page's HTML

Related domains

Similar connectivity

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