indexo.dev

duoweb.net

.net crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 356 ms crawled 2026-06-01

CZ · 82.208.41.185 · AS15685 CASABLANCA INT a.s.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
DUOWEB.net - custom-built web application
Description
Custom-built web and mobile applications - information and corporate web applications
Language
en

Technology

Server
nginx

Contact

Email
Phone

Registration

Registrar
Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA
Created
2014-08-21
Expires
2026-08-21 79 days left
Updated
2026-02-28
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

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

Email authentication weak

SPF
not published
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhovOSR1uDCYON3zS757VZdTq/Rn9zyVo9KMMVlhMN3zPa8nlaOqhJEGEVvGmfhLhw+eeuK4os6g+Nn…
selectors probed

Certificate (current)

E7
from 2026-05-01 to 2026-07-30
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://duoweb.net/

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; includeSubDomains

Links to (1)

Linked from (1)