preblocks.com

.com crawl

First seen 2026-05-20 · Last seen 2026-06-03 · ok HTTP/1.1 200 123 ms crawled 2026-06-10

US · 104.21.55.5 · AS13335 Cloudflare, Inc.

Reputation 77/100 multiple spf records no dmarc policy

Classifying

HTML metadata

Title
Preblocks: Shadcn UI Blocks & Tailwind Components for React
Description
Free and open source blocks and components built with shadcn/ui. Copy-paste accessible, production-ready sections to build websites faster.
Language
en
Canonical
https://preblocks.com/

Open Graph

url
https://preblocks.com/
title
Preblocks: Shadcn UI Blocks & Tailwind Components for React
site name
Preblocks
description
Free and open source blocks and components built with shadcn/ui. Copy-paste accessible, production-ready sections to build websites faster.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • cloud.umami.is×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
Spaceship, Inc.
Created
2025-10-24
Expires
2026-10-24 135 days left
Updated
2026-03-13
Name servers
  • ed.ns.cloudflare.com
  • leia.ns.cloudflare.com

DNS records live

NS
  • ed.ns.cloudflare.com
  • leia.ns.cloudflare.com
MX
  • 0 mx1.efwd.spaceship.net
  • 0 mx2.efwd.spaceship.net
  • 39 route1.mx.cloudflare.net
  • 58 route3.mx.cloudflare.net
  • 96 route2.mx.cloudflare.net
Verified for
  • Google
  • Yandex

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all) · multiple SPF records
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-11 to 2026-08-09
Expires in 60 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://preblocks.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (1)

Linked from (1)

Use this data via API

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curl "https://indexo.dev/api/v1/domains/preblocks.com" \
  -H "X-API-Key: idx_..."

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