indexo.dev

opti-school.de

.de crawl

First seen 2026-05-28 · Last seen 2026-06-01 · ok HTTP/1.1 200 1215 ms crawled 2026-05-31

DE · 217.160.0.86 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Opti-School, V. Schroth, Freiburg
Description
Augenmessungen bei Legasthenie und für Erwachsene mit Sehstress. Schulungen für Fachleute, Themen MKH und Kinderoptometrie
Language
de
Generator
Zeta Producer 16.8.7.0, ZP16X, 13.03.2025 15:11:34
Canonical
http://www.opti-school.de/index.html

Open Graph

url
http://www.opti-school.de/index.html
title
Opti-School
description
Augenmessungen, Sehberatung, Brillenverordnung für Menschen mit Sehproblemen. Optometrie im Einsatz für besseres Sehen

Technology

Server
Apache

Registration

Updated
2026-05-20
Name servers
  • ns1074.ui-dns.biz.
  • ns1074.ui-dns.com.
  • ns1074.ui-dns.de.
  • ns1074.ui-dns.org.

DNS records live

NS
  • ns1074.ui-dns.biz
  • ns1074.ui-dns.com
  • ns1074.ui-dns.de
  • ns1074.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-28 to 2026-12-13
Expires in 195 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://opti-school.de/

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

Links to (1)

Linked from (2)