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Domain report

startupsd.org

startupsd.org ranks in the top 1.37% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore startupsd.org in the Web Graph

Connectivity

#1,827,962harmonic-centrality rank
Top percentile
1.37%
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://startupsd.org/ answered with HTTP 200.

Certificate until 2026-12-08C=US, O=Let's Encrypt, CN=YR2

DNS records

A
  • 104.21.27.137
  • 172.67.142.189
AAAA
  • 2606:4700:3033::ac43:8ebd
  • 2606:4700:3032::6815:1b89
MX
  • 1 aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
NS
  • anuj.ns.cloudflare.com.
  • elma.ns.cloudflare.com.
AS
Server in network CLOUDFLARENET, AS13335 · United States104.21.27.0/24, which holds 104.21.27.137

Live preview

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

Domain registration (WHOIS / RDAP)

Registrar
Squarespace Domains II LLC
Registered
2015-07-12
Expires
2027-07-12
Last changed
2026-08-12

Nameservers: anuj.ns.cloudflare.com, elma.ns.cloudflare.com

Status: client delete prohibited, client transfer prohibited

How to read WHOIS and RDAP data

SSL certificate

Common name
startupsd.org
Issuer
C=US, O=Let's Encrypt, CN=YR2
Valid from
2026-09-09
Valid until
2026-12-08

Matches startupsd.org exactly. Source: Certificate Transparency logs (crt.sh).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
max-age=120
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://startupsd.org/HTTP 301

    → https://startupsd.org/

  2. 2.https://startupsd.org/HTTP 200

Meta tags

Title
Startup San Diego - The Gateway to the SD Startup Ecosystem
Description
Join us on our mission to connect, educate, and inspire founders and local talent to grow an equitable San Diego startup ecosystem and entrepreneurial community.
Canonical
https://startupsd.org/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Site Kit by Google 1.189.0
Open Graph title
Startup San Diego - The Gateway to the SD Startup Ecosystem
Open Graph description
Join us on our mission to connect, educate, and inspire founders and local talent to grow an equitable San Diego startup ecosystem and entrepreneurial community.
Open Graph image
https://startupsd.org/wp-content/uploads/2024/01/Startup-San-Diego-1.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Startup San Diego - The Gateway to the SD Startup Ecosystem
Twitter image
https://startupsd.org/wp-content/uploads/2024/01/Startup-San-Diego-1.png

robots.txt

Disallow rules (User-agent: *)
12
Disallow rules (other agents)
0

No Sitemap declared in robots.txt.

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 Analyticsanalytics

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

Related domains

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