indexo.dev

ptbk.io

.io crawl

First seen 2026-05-11 · Last seen 2026-05-17 · ok HTTP/1.1 200 8662 ms crawled 2026-05-17

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Promptbook - Instant access to everything your company has ever written
Description
Upload company documents, create a virtual employee, and ask questions in natural language. No prompting, no hallucinations, 100% GDPR. A Czech AI platform.
Language
en
Canonical
https://ptbk.io/en
Translations
  • cs
  • en

Open Graph

title
Promptbook - Instant access to everything your company has ever written
locale
en_US
description
Upload company documents, create a virtual employee, and ask questions in natural language. No prompting, no hallucinations, 100% GDPR.

Technology

CDN
Vercel
CMS
Next.js
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • www.facebook.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • rick.ns.cloudflare.com
  • tia.ns.cloudflare.com
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
TXT
  • google-site-verification=lCEzESePSsfLjSpdQfEmZTdKcUFPPbUJWwIb-W5dt-g
  • brevo-code:a6d3b92e194ed959d43a2bc39950691c

Email authentication partial

SPF
v=spf1 include:spf.mailjet.com a mx include:gransy.com include:spf.improvmx.com include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • google: v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzPNj4tJshvI8z8mIh/EJEVIrRwgaHl9HWYLjtz9Cr21PLuHjAcx9hA/Qbok1mW4KdFgQoUzkzve6K6Bp…
selectors probed

Certificate (current)

R12
from 2026-04-17 to 2026-07-16
Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.ptbk.io/en

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 (4)

Linked from (1)