indexo.dev

htl1.at

.at crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 3091 ms crawled 2026-06-01

AT · 81.19.159.75 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
HTL1 Bau und Design Linz | Ausbildung in Bautechnik, Grafik, Innenarchitektur und Multimedia
Language
de
Generator
Divi Child v.1.0.0
Canonical
https://www.htl1.at/
Feeds

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.world4you.at
  • ns2.world4you.at
MX
  • 0 htl1-at.mail.protection.outlook.com
Verified for
  • Adobe

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:sendgrid.net -all
strict (-all)
DMARC
v=DMARC1;p=none;
policy: none (monitoring only)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-05-12 to 2026-08-10
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.htl1.at/

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

Links to (50)

Linked from (1)