indexo.dev

criticalconcrete.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 637 ms crawled 2026-05-31

US · 172.67.179.240 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers weak subdomain policy

Classifying

HTML metadata

Title
Sustainable Architecture Postgraduation - Critical Concrete
Description
Hybrid Sustainable Architecture Postgraduation in Porto. Learn by designing and building real projects. Applications open for 2026/27.
Language
en-GB
Generator
Powered by LayerSlider 7.15.1 - Build Heros, Sliders, and Popups. Create Animations and Beautiful, Rich Web Content as Easy as Never Before on WordPress.
Canonical
https://criticalconcrete.com/
Feeds

Open Graph

url
https://criticalconcrete.com/
title
Sustainable Architecture Postgraduation - Critical Concrete
locale
en_GB
site name
Critical Concrete
description
Since 2015, Critical Concrete researches on urban, sustainable architectural and design strategies and refurbishes socially relevant places through its theoretical and practical educational programme

Technology

CDN
Cloudflare
CMS
WordPress
PHP
8.5.5
jQuery
3.7.1
Analytics
  • Cloudflare Insights
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • fonts.googleapis.com×7
  • www.googletagmanager.com×2
  • gmpg.org×1
  • static.cloudflareinsights.com×1
  • www.google.com×1

Social

Contact

Phone

Registration

Registrar
Tucows Domains Inc.
Created
2015-09-05
Expires
2032-09-05 2288 days left
Updated
2025-09-08
Name servers
  • kobe.ns.cloudflare.com
  • nina.ns.cloudflare.com

DNS records live

NS
  • kobe.ns.cloudflare.com
  • nina.ns.cloudflare.com
MX
  • 10 mail.criticalconcrete.com
Verified for
  • Pinterest

Email authentication strong

SPF
v=spf1 ip4:109.70.148.41 include:relay.mailchannels.net include:spf.hostns.io a mx -all
strict (-all)
DMARC
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;ruf=mailto:mail@criticalconcrete.com,mailto:samuel@criticalconcrete.com;rua=mailto:mail@criticalconcrete.com
policy: quarantine · sp=none
DKIM
  • default: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMhiewy7XeHrtc5SpRyPDnxRbd9mb7b5p2ZoVc12PlYYPvrud8hbx4DesJl6Ll1IQBgbsMRB91zo71s2tX3gr2nw58Ba09…
selectors probed

Certificate (current)

WE1
from 2026-05-02 to 2026-07-31
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://criticalconcrete.com/

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

Links to (11)

Linked from (1)