grembau.ch

.ch crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 330 ms crawled 2026-05-31

DE · 213.239.221.71 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Home
Language: en
Generator: BaseKit
Canonical: https://grembau.ch

Open Graph

url: https://grembau.ch/
title: Home
site name: GREM Bau Group GmbH

Technology

Server: openresty

Third-party hosts loaded (3)

55b558c7-resources.designer.hoststar.ch×8
files.designer.hoststar.ch×2
static.hoststar.ch×2

Social

Contact

Phone

+41798347797

DNS records live

NS

ns1.hoststar.hosting
ns2.hoststar.hosting

MX

10 mail.grembau.ch

Email authentication strong

SPF

v=spf1 a:grembau.ch mx ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine;

policy: quarantine

DKIM

mail: v=DKIM1; k=rsa; t=y; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDUswcUygRD9yD/ZUH8oEyBAb1p+RQrMMKX811ThcNfrgfylGRYmIpnAf2cad9RzqOg5FmbUverPv8+j…

selectors probed

Certificate (current)

R13

from 2026-04-23 to 2026-07-22

Expires in 51 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://grembau.ch/

present

x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff

Links to (1)

facebook.com×1