indexo.dev

certified.app

.app crawl

First seen 2026-05-03 · Last seen 2026-05-10 · ok HTTP/1.1 200 1294 ms crawled 2026-05-10

US · 216.150.1.1 · AS16509 Amazon.com, Inc.

Reputation 100/100

sector tech type homepage

HTML metadata

Title
Certified — One account, any app — Certified
Description
Certified is a passwordless identity platform built on AT Protocol, operated by the Hypercerts Foundation. Create a single account that works across partner apps with full data portability and no vendor lock-in.
Language
en
Canonical
https://certified.app/welcome

Open Graph

url
https://certified.app/welcome
title
Certified — One account, any app
locale
en_US
site name
Certified
description
Create your Certified identity and use one account across partner apps. No passwords, no lock-in.

Technology

CDN
Vercel
CMS
Next.js

Contact

Address
1209 Orange St., 19801, Wilmington, DE, US

DNS records live

NS
  • albert.ns.cloudflare.com
  • virginia.ns.cloudflare.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-05 to 2026-08-03
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://certified.app/welcome

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
DENY
permissions-policy
camera=(), microphone=(), geolocation=()
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Linked from (2)