indexo.dev

dr-castelberg.ch

.ch crawl

First seen 2026-05-23 · Last seen 2026-05-28 · ok HTTP/1.1 200 1662 ms crawled 2026-05-28

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Dr. Castelberg Optometry | Willkommen bei Dr. Castelberg Optometry
Description
Dr. Castelberg Optometry bietet moderne Augenuntersuchungen, individuelle Beratung und ganzheitliche Vorsorge für gesunde Augen und gutes Sehen.
Language
de

Open Graph

title
Augengesundheit im Blick | Dr. Castelberg Optometry
description
Dr. Castelberg Optometry verbindet modernste Technologie mit persönlicher Betreuung: für präzise Augenuntersuchungen, Vorsorge und individuelle Sehlösungen.

Technology

CDN
Vercel
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • www.googletagmanager.com×2
  • cdn.jsdelivr.net×1
  • image.mux.com×1
  • stream.mux.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • dns1.exigo.ch
  • dns2.exigo.ch
MX
  • 10 avas-in1.exigo.ch
  • 10 avas-in2.exigo.ch
Verified for
  • Google

Email authentication weak

SPF
v=spf1 mx ptr ip4:193.93.20.0/26 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-29 to 2026-07-28
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.dr-castelberg.ch/de/willkommen-bei-dr-castelberg-optometry

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (3)

Linked from (1)