indexo.dev

opto-gmbh.com

.com crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 395 ms crawled 2026-06-04

FR · 92.205.64.4 · AS8972 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Opto Digitalmikroskopie
Description
We automate microscopy Opto produziert kompakte Plug & Play Digitalmikroskope für die Märkte in den Bereichen Life Science Medical und Industrie
Language
de
Canonical
https://opto-gmbh.com/
Translations
  • de
  • en
  • fr

Open Graph

url
https://opto-gmbh.com/
title
opto.de
site name
Opto
description
We automate microscopy Opto produziert kompakte Plug & Play Digitalmikroskope für die Märkte in den Bereichen Life Science Medical und Industrie

Technology

Server
nginx
jQuery
3.4.1 known XSS (<3.5)
Stack
PHP

Social

Contact

Email
Phone

Registration

Registrar
Mesh Digital Limited
Created
2021-11-23
Expires
2026-11-23 171 days left
Updated
2025-11-22
Name servers
  • ns23.domaincontrol.com
  • ns24.domaincontrol.com

DNS records live

NS
  • ns23.domaincontrol.com
  • ns24.domaincontrol.com
MX
  • 0 optogmbh-com01b.mail.protection.outlook.com
Verified for
  • 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)

Starfield Secure Certificate Authority - G2
from 2025-07-01 to 2026-07-11
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://opto-gmbh.com/

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

Links to (14)

Linked from (1)