instakorr-sued.de

.de crawl

First seen 2026-05-27 · Last seen 2026-06-01 · ok HTTP/1.1 200 876 ms crawled 2026-05-30

DE · 37.17.229.204 · AS48324 webgo GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: instakorr Süd | Bauwerkserhaltung & Betonsanierung in Süddeutschland
Description: instakorr Süd schützt und erhält Bauwerke in Süddeutschland – spezialisiert auf Betoninstandsetzung, Korrosionsschutz, Abdichtung und CFK-Verstärkung.
Language: de

Technology

Server: Apache
Stack: PHP

Social

Contact

Email

Phone

Registration

Updated

2025-11-27

Name servers

root-dns.netcup.net.
second-dns.netcup.net.
third-dns.netcup.net.

DNS records live

NS

root-dns.netcup.net
second-dns.netcup.net
third-dns.netcup.net

MX

0 instakorrsued-de02c.mail.protection.outlook.com

Verified for

Google
Microsoft 365

Email authentication weak

SPF: v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

YR1

from 2026-05-29 to 2026-08-27

Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.instakorr-sued.de/

present

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

findings

weak content type protection

Header values

referrer-policy: no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: interest-cohort=()
x-content-type-options: nosniff, nosniff
content-security-policy: frame-ancestors 'self';
strict-transport-security: max-age=63072000; includeSubDomains

Links to (17)

Linked from (4)