indexo.dev

deltaopticalthinfilm.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-06 · ok HTTP/1.1 200 1056 ms crawled 2026-05-19

DE · 168.119.39.216 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Optical Filters | Custom Optical Filters for discerning OEM customers
Description
Delta Optical Thin Film specialises in designing and manufacturing high performance optical filters in the UVA/VIS/NIR range for OEM.
Language
en-US
Generator
WordPress 6.9.4
Canonical
https://deltaopticalthinfilm.com/
Translations
  • de
  • en
Feeds

Open Graph

url
https://deltaopticalthinfilm.com/
title
Optical Filters | Custom Optical Filters for discerning OEM customers
locale
en_US
site name
Delta Optical Thin Film
description
Delta Optical Thin Film specialises in designing and manufacturing high performance optical filters in the UVA/VIS/NIR range for OEM.

Technology

Server
LiteSpeed
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • www.googletagmanager.com×1

Social

Contact

Email
Phone
Address
Fremtidsvej 1, 2970, Hørsholm, DK

Registration

Registrar
Key-Systems GmbH
Created
2014-12-22
Expires
2027-12-22 580 days left
Updated
2025-12-03
Name servers
  • ns1.curanet.dk
  • ns2.curanet.dk

DNS records live

NS
  • ns1.curanet.dk
  • ns2.curanet.dk
MX
  • 10 deltaopticalthinfilm-com.mail.protection.outlook.com
Verified for
  • GlobalSign

Email authentication strong

SPF
v=spf1 include:_spf78090.spf-protect.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:68de3dd8cffe2@dmarc-dk.centerasecurity.com;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDyKIRSTSz9Cf/UytIIZUWcVoxLzk2LFc0W5AgS7Ngc9LMeUqo/A2KwFH92uvKX9Jnemdx+50F2dwjhxbKV0k…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

E7
from 2026-04-30 to 2026-07-29
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://deltaopticalthinfilm.com/

present
  • referrer-policy
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
Header values
referrer-policy
no-referrer-when-downgrade
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (2)

Linked from (3)