indexo.dev

infosystem.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 205 ms crawled 2026-06-01

CZ · 81.2.234.18 · AS24806 INTERNET CZ, a.s.

Reputation 100/100

Classifying

HTML metadata

Title
INFOSYSTEM s.r.o.
Description
INFOSYSTEM s.r.o.
Language
cs

Open Graph

title
INFOSYSTEM s.r.o.
locale
cs_CZ
site name
INFOSYSTEM s.r.o.

Technology

Server
Apache
jQuery
3.2.1 known XSS (<3.5)

Contact

Phone

Registration

Registrar
REG-INTERNET-CZ
Created
1999-07-31
Expires
2026-10-23 142 days left
Updated
2020-03-06
Name servers
  • ns3.raby.cz
  • ns.raby.cz

DNS records live

NS
  • ns.raby.cz
  • ns3.raby.cz
MX
  • 10 ns.raby.cz

Email authentication strong

SPF
v=spf1 mx a -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:admin@infosystem.cz
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-05 to 2026-07-04
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://infosystem.cz/encyklopedie/objekty1.phtml?id=134482

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
sameorigin
x-content-type-options
nosniff
content-security-policy
frame-ancestors 'self' http://127.0.0.1;
strict-transport-security
max-age=31536000; includeSubdomains; preload

Linked from (1)