indexo.dev

delong.cz

.cz crawl dns

First seen 2026-06-01 · Last seen 2026-06-04 · ok HTTP/1.1 200 1297 ms crawled 2026-06-02

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Delong Instruments – Electron Microscopes
Description
The smallest electron microscopes that fit on your table. Affortable, small and customizable
Language
en
Generator
Webflow

Open Graph

title
Delong Instruments – Electron Microscopes
description
The smallest electron microscopes that fit on your table. Affortable, small and customizable

Technology

CDN
Cloudflare
jQuery
3.5.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • cdn.prod.website-files.com×22
  • ajax.googleapis.com×1
  • d3e54v103j8qbb.cloudfront.net×1
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone
Address
Palackého třída 153 b, 612 00, Brno, Czech Republic

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 10 mail.delong.cz
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a:mail.delong.cz ip4:193.165.0.0/16 ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-12 to 2026-07-11
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.delong.cz/

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=31536000

Links to (5)

Linked from (1)