think-big.app

.app user

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 250 ms crawled 2026-05-11

DE · 185.158.133.1 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector other type homepage

HTML metadata

Title: Big Concept Builder
Language: en

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

fonts.googleapis.com×2
cdn.platform.openai.com×1
fonts.gstatic.com×1
i.imgur.com×1
www.googletagmanager.com×1

DNS records live

NS

ns67.domaincontrol.com
ns68.domaincontrol.com

Email authentication no MX

SPF: not published
DMARC: v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-05-11 to 2026-08-09

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://think-big.app/

present

strict-transport-security
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains