csts.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-06-01 · ok HTTP/1.1 200 960 ms crawled 2026-05-31

CZ · 193.105.158.196 · AS24806 INTERNET CZ, a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server: Microsoft-IIS
ASP.NET: 4.0.30319

Social

Registration

Registrar

REG-ASPONE

Created

1999-09-09

Expires

2026-09-08 97 days left

Updated

2011-10-01

Name servers

ns1.aspone.cz
ns2.aspone.eu
ns3.aspone.us

DNS records live

NS

ns1.aspone.cz
ns2.aspone.eu
ns3.aspone.us

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

202311080638463dy1h4rti1srep219gp9m5z3v60yavgm4jaznj8tiorv5zqam6
actalis-dcv=vt5aqt2sufu6ifjcefm3sqo2ua

Email authentication weak

SPF: v=spf1 ip4:193.105.158.110 include:_spf.google.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Actalis Domain Validation Server CA G3

from 2025-11-04 to 2026-11-04

Expires in 155 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.csts.cz/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (7)

Linked from (4)