indexo.dev

duplexity.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-03 · ok HTTP/1.1 200 174 ms crawled 2026-06-02

SK · 37.9.175.211 · AS51013 WebSupport s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Duplexity SE
Language
cs

Technology

Server
openresty
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.google.com×1

Contact

Email

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 mailin1.duplexity.cz
  • 100 mailin2.duplexity.cz

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy7CYaL1oXl4VxPzMherIoboNZ+rwSF5OMjRUtmrTt3JCNxa+wn6kcODpN+6PZllgYnk546lXlpDTsd…
selectors probed

Certificate (current)

R12
from 2026-05-17 to 2026-08-15
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests

Links to (2)

Linked from (1)