concreto-group.com

HTML metadata

Technology

Server

Apache

CMS

Gatsby

Stack

PHP

Analytics

• Google Tag Manager

Third-party hosts loaded (1)

• www.googletagmanager.com×1

Social

• linkedin

Contact

Phone

• 085-7609824

Address

Twentepoort Oost 55a, 7609 RG, Almelo, Overijssel

Registration

Registrar

InterNetX GmbH

Created

2023-12-19

Expires

2026-12-19 199 days left

Updated

2025-11-11

Name servers

• ns1.auto-dns.com
• ns2.auto-dns.com
• ns3.autodns.nl
• ns4.autodns.nl

DNS records live

NS

• ns1.auto-dns.com
• ns2.auto-dns.com
• ns3.autodns.nl
• ns4.autodns.nl

MX

• 10 concretogroup-com02b.mail.protection.outlook.com

Email authentication strong

SPF

v=spf1 a ip4:31.7.3.187 ip6:2a03:9700:8000::d34f:ccaf:84f8:bc7c include:spf.afas.online include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:mailcompliance-reports@inventit.nl; ruf=mailto:mailcompliance-reports@inventit.nl; fo=1;

policy: reject (enforced)

DKIM

• selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtIAQprNSCOTRQlMILGntUHfZHVPTcXvOgk4TVgggTaR0JVesCYAPk3EiNtNPcSL6Zmb0y/Ol/fAjeX…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://concreto-group.com/

present

• strict-transport-security
• x-frame-options
• x-content-type-options
• referrer-policy

findings

• missing Content Security Policy
• missing Permissions Policy

Links to (7)

• ventiv-engineers.nl×1
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• linkedin.com×1
• edisonbv.nl×1
• cobuilders.nl×1

Linked from (1)

• siebertwassink.nl×1