indexo.dev

link3.at

.at crawl

First seen 2026-05-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 254 ms crawled 2026-05-19

DE · 217.160.0.168 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Home - LINK3 Schichtenspeicher Warmwasser- und Heizungsoptimierung
Description
Efficient water heating system, Warmwasserbereitung und Heizungsoptimierung mit der LINK3 Schichtenspeicher Technik.
Language
en-US
Generator
WordPress 6.9.4
Canonical
https://link3.at/
Feeds

Open Graph

url
https://link3.at/
title
Home - LINK3 Schichtenspeicher Warmwasser- und Heizungsoptimierung
locale
en_US
site name
LINK3
description
Efficient water heating system, Warmwasserbereitung und Heizungsoptimierung mit der LINK3 Schichtenspeicher Technik.

Technology

Server
Apache
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • cdn.datatables.net×3
  • gmpg.org×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1019.ui-dns.de
  • ns1042.ui-dns.biz
  • ns1062.ui-dns.com
  • ns1089.ui-dns.org
MX
  • 0 link3-at.mail.protection.outlook.com
Verified for
  • Brevo
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:spf.brevo.com mx ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvGx/GZ2YbPrlJeVJrwIQ7+Gz+52YvPmyG8kic66JG4pwSfrXPANnMPhfAx3kFN62XrozuhymmIjTpy…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-03-26 to 2026-10-07
Expires in 139 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://link3.at/

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

Links to (10)

Linked from (1)