indexo.dev

hackerbuilding.nl

.nl crawl

First seen 2026-05-11 · Last seen 2026-05-16 · ok HTTP/1.1 200 10701 ms crawled 2026-05-16

US · 216.198.79.1 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
The Hacker Building: community-first, tech-only coworking space, in the center of Amsterdam
Language
en

Open Graph

title
The Hacker Building: community-first, tech-only coworking space, in the center of Amsterdam

Technology

CDN
Vercel
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×3
  • www.facebook.com×1

Social

Contact

Email
Phone

Registration

Registrar
Registrar.eu
Created
2016-03-03
Updated
2025-07-11
Name servers
  • olga.ns.cloudflare.com
  • rick.ns.cloudflare.com

DNS records live

NS
  • olga.ns.cloudflare.com
  • rick.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=yWa-t0sLXJXw3AdiiUoDp0_E4qyisqgeYLeIaMZA8Zw
  • hosted-email-verify=zmgtaimu

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:spf.migadu.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:admin@hackerbuilding.nl
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhyTU39lU5F0cxVdXI3pO6/rY3TUm9lCCRUj2orSvD0JJeQ0kOtO8f/xX/5of57jYo83TMjll9W57Im…
selectors probed

Certificate (current)

R12
from 2026-03-17 to 2026-06-15
Expires in 26 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.hackerbuilding.nl/

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 (35)

Linked from (1)