indexo.dev

optio.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 385 ms crawled 2026-05-30

CZ · 93.185.111.101 · AS43541 VSHosting s.r.o.

Reputation 100/100

Classifying

HTML metadata

Title
OPTIO CZ
Language
cs

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • maps.googleapis.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns.wedos.com
  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.net
MX
  • 10 b8bd053ff13ee730.mx2.emailprofi.seznam.cz
  • 20 b8bd053ff13ee730.mx1.emailprofi.seznam.cz

Email authentication strong

SPF
v=spf1 include:spf.seznam.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-03 to 2026-08-01
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.optio.cz/

present
  • strict-transport-security
  • x-frame-options
findings
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=63072000

Links to (2)

Linked from (1)