indexo.dev

principle.app

.app crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 468 ms crawled 2026-05-19

US · 13.33.235.67 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Principle

Technology

CDN
Amazon CloudFront
Server
AmazonS3
CMS
Gatsby

Social

DNS records live

NS
  • ns-1345.awsdns-40.org
  • ns-1867.awsdns-41.co.uk
  • ns-45.awsdns-05.com
  • ns-522.awsdns-01.net
Verified for
  • Stripe

Email authentication no MX

SPF
not published
DMARC
v=DMARC1; p=none; rua=mailto:daniel@principleformac.com
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M04
from 2025-08-24 to 2026-09-22
Expires in 124 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://principle.app/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (1)